Diamond Ring Worth Calculator

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Diamond Ring Worth Calculator

Estimate the market value of your diamond ring. Input the details of your diamond and setting to get a calculated worth.

Enter the weight of the main diamond in carats.
D (Colorless) E (Colorless) F (Colorless) G (Near Colorless) H (Near Colorless) I (Near Colorless) J (Near Colorless) K (Faint Yellow) L (Faint Yellow) M (Faint Yellow) N-Z (Very Light to Light Yellow) Select the color grade (D is best).
FL (Flawless) IF (Internally Flawless) VVS1 (Very, Very Slightly Included) VVS2 (Very, Very Slightly Included) VS1 (Very Slightly Included) VS2 (Very Slightly Included) SI1 (Slightly Included) SI2 (Slightly Included) I1 (Included) I2 (Included) I3 (Included) Select the clarity grade (FL is best).
Excellent Very Good Good Fair Poor Select the cut grade (Excellent is best for brilliance).
Platinum 18k Gold 14k Gold White Gold Yellow Gold Rose Gold Silver Select the primary metal of the ring setting.
Simple (e.g., Solitaire) Moderate (e.g., Pave, Halo) Complex (e.g., Intricate Engraving, Multiple Stones) Rate the intricacy and craftsmanship of the setting.
Enter the count of smaller stones (if any).
Results copied!

Estimated Ring Worth

Estimated Market Value
$0.00
Diamond Value Factor 0.00
Setting Value Factor 0.00
Total Quality Score 0.00

Value is estimated based on a weighted formula considering diamond characteristics (4Cs), metal type, setting complexity, and number of accent stones. This is an approximation, not a formal appraisal.

Estimated Value Breakdown by Component
Component Estimated Value Contribution
Diamond (Primary) $0.00
Setting (Metal & Craftsmanship) $0.00
Accent Stones $0.00
Total Estimated Worth $0.00

Understanding Your Diamond Ring's Worth

What is a Diamond Ring Worth Calculator?

A diamond ring worth calculator is an online tool designed to provide an estimated market value for a diamond ring. It leverages key characteristics of the diamond and the ring's setting to approximate its current worth. This calculator is useful for individuals seeking a general idea of their ring's value for insurance purposes, potential sale considerations, or simply for personal knowledge. It's important to understand that this is not a substitute for a professional appraisal by a certified gemologist or appraiser, as it cannot account for all nuances of market demand, unique provenance, or specific grading nuances.

Anyone considering selling a diamond ring, updating their insurance policy, or curious about the financial asset they possess can benefit from using a diamond ring worth calculator. It democratizes the initial valuation process, offering a quick and accessible estimate. Common misconceptions include believing that such calculators provide exact retail or resale prices, or that they can perfectly replicate the expertise of a human appraiser. While valuable for estimation, professional assessment remains crucial for definitive valuations.

Diamond Ring Worth Estimation: Formula and Factors

The estimation process for a diamond ring worth calculator involves several key inputs that influence the final value. The core idea is to assign a value based on the combination of the diamond's quality (the 4Cs), the precious metal of the setting, and the complexity of the craftsmanship, including any accent stones.

A simplified, yet effective, approach can be represented as:

Estimated Ring Worth = (Diamond Value Factor * Carat Weight ^ exponent) + Setting Value Factor * (Metal Multiplier + Complexity Multiplier + Accent Stone Value)

Let's break down the variables and their roles:

Variables in Diamond Ring Worth Estimation
Variable Meaning Unit Typical Range/Value
Carat Weight The weight of the primary diamond. Carats (ct) 0.10 – 10.00+
Diamond Color Grade Absence of color in the diamond (D=colorless, Z=light yellow). Grade (D-Z) D, E, F, G, H, I, J, K, L, M, N-Z
Diamond Clarity Grade Inclusion and blemish level (FL=flawless, I3=included). Grade (FL-I3) FL, IF, VVS1, VVS2, VS1, VS2, SI1, SI2, I1, I2, I3
Diamond Cut Grade How well the diamond's facets interact with light. Grade (e.g., Excellent, Good) Poor, Fair, Good, Very Good, Excellent
Setting Metal Type The type of precious metal used for the ring band and setting. Material Type Platinum, 14k Gold, 18k Gold, Silver, etc.
Setting Complexity The intricacy and design of the ring setting. Category Simple, Moderate, Complex
Accent Stones Number and quality of smaller stones complementing the main diamond. Count 0+
Diamond Value Factor A base multiplier reflecting the price per carat influenced by color, clarity, and cut. USD/Carat (dynamic) Varies widely based on 4Cs
Setting Value Factor A base multiplier reflecting the intrinsic value and craftsmanship of the setting. USD (fixed/range) Varies based on metal and complexity
Quality Score A composite score reflecting the overall quality of the diamond (4Cs). Percentage 0-100

The 'exponent' in the carat weight term reflects that larger diamonds often command a premium disproportionately to their weight due to rarity. The 'Metal Multiplier', 'Complexity Multiplier', and 'Accent Stone Value' are factors that adjust the base setting cost. The Diamond Value Factor is the most dynamic, derived from current market data for diamonds with specific 4C combinations. Our calculator uses internal algorithms to approximate these values based on industry benchmarks.

Practical Examples of Diamond Ring Valuation

Let's explore how the diamond ring worth calculator can be used with real-world scenarios:

Example 1: Classic Solitaire Engagement Ring

  • Inputs:
    • Diamond Carat Weight: 1.20 ct
    • Diamond Color Grade: G (Near Colorless)
    • Diamond Clarity Grade: VS1 (Very Slightly Included)
    • Diamond Cut Grade: Excellent
    • Setting Metal Type: 14k White Gold
    • Setting Complexity: Simple (Solitaire)
    • Additional Stones: 0
  • Calculator Output:
    • Estimated Market Value: $7,500.00
    • Diamond Value Factor: ~$5,500/ct
    • Setting Value Factor: ~$700
    • Total Quality Score: 85%
  • Interpretation: This represents a high-quality, classic engagement ring. The primary value comes from the 1.20-carat diamond. The 'Excellent' cut and good color/clarity (G/VS1) contribute significantly. The simple 14k white gold setting adds a moderate amount, reflecting its material value and basic craftsmanship. This estimate is within the expected range for such a piece in the current market.

Example 2: Vintage-Inspired Ring with Accents

  • Inputs:
    • Diamond Carat Weight: 0.75 ct
    • Diamond Color Grade: H (Near Colorless)
    • Diamond Clarity Grade: SI1 (Slightly Included)
    • Diamond Cut Grade: Very Good
    • Setting Metal Type: Platinum
    • Setting Complexity: Complex (Intricate details, filigree)
    • Additional Stones: 6 small diamonds (approx. 0.05 ct each)
  • Calculator Output:
    • Estimated Market Value: $4,800.00
    • Diamond Value Factor: ~$4,000/ct
    • Setting Value Factor: ~$1,500
    • Total Quality Score: 70%
  • Interpretation: This ring has a central diamond that is good, but not exceptional, in color and clarity. The 'Very Good' cut maximizes brilliance. The value is significantly boosted by the choice of Platinum (a more expensive metal) and the complex, detailed craftsmanship of the setting. The six small accent stones also contribute to the overall value, adding sparkle and perceived size. The higher setting value component relative to the diamond's price per carat highlights the impact of intricate design and precious metal choice. This is a good example of how design and materials can elevate a ring's worth beyond just the primary diamond's 4Cs.

These examples illustrate how different combinations of the 4Cs, metal, and design impact the final estimated diamond ring worth. Users can adjust inputs to see how even small changes, like upgrading clarity or choosing a more complex setting, affect the calculated value.

How to Use This Diamond Ring Worth Calculator

Using our diamond ring worth calculator is straightforward. Follow these steps to get an estimated value for your ring:

  1. Gather Information: Collect details about your diamond ring. This includes the primary diamond's carat weight, color grade, clarity grade, and cut grade. If you don't know these precisely, use your best estimate or refer to any grading reports (like GIA, AGS) you may have. Also, identify the metal of the setting (e.g., 14k gold, platinum) and note the complexity of the design. Count any smaller accent stones.
  2. Input Diamond Details: Enter the carat weight into the designated field. Select the appropriate color, clarity, and cut grades from the dropdown menus.
  3. Input Setting Details: Choose your ring's metal type and complexity level from the dropdowns. Enter the number of additional stones if applicable.
  4. Calculate: Click the "Calculate Worth" button.
  5. Review Results: The calculator will display the estimated market value prominently, along with key intermediate values like the Diamond Value Factor, Setting Value Factor, and a Total Quality Score. A breakdown of the estimated value by component (primary diamond, setting, accent stones) will also be presented in a table and visualized in a chart.

Reading and Interpreting Results:

The 'Estimated Market Value' is the primary output, representing a general approximation of what the ring might sell for on the open market (considering both retail and resale potential, but leaning towards a fair market value). The intermediate values help you understand which components contribute most significantly to the ring's worth. A higher 'Total Quality Score' indicates better overall characteristics of the diamond.

Decision-Making Guidance:

Use these results as a starting point. If you're considering selling, this estimate can help you set realistic price expectations. For insurance, compare the estimate to your current coverage – you may need an appraisal for higher-value items. If the estimate is lower than expected, consider which factors might be influencing it (e.g., lower clarity, simpler setting) and how they could be improved if you were to design or purchase a new ring.

Key Factors That Affect Diamond Ring Worth

Several crucial elements determine the overall worth of a diamond ring. Understanding these can help you better interpret the calculator's results and appreciate the value of your piece.

  • The 4Cs (Carat, Cut, Color, Clarity): This is the bedrock of diamond valuation. Carat weight provides scale. Cut impacts brilliance and fire – a well-cut diamond is significantly more valuable. Color and clarity, while often less visually obvious to the untrained eye, play a major role in rarity and price. Even slight variations in these grades can lead to substantial differences in worth.
  • Diamond Shape: While our calculator uses a general 'Cut' grade, the specific shape (round brilliant, princess, oval, emerald, etc.) also influences price due to cutting yields and market demand. Round brilliant diamonds typically command higher prices per carat.
  • Metal Type and Weight: The choice of metal (platinum, gold alloys) directly affects the setting's value. Platinum is denser and more expensive than gold. The weight of the metal in the band and setting also contributes, with heavier settings being more valuable.
  • Craftsmanship and Design Complexity: An intricately designed ring with detailed filigree, engraving, or unique settings will be valued higher than a simple solitaire due to the labor and skill involved. This is captured by the 'Setting Complexity' input.
  • Presence and Quality of Accent Stones: If the ring features smaller diamonds or gemstones, their total carat weight, quality (4Cs), and how well they are set contribute to the overall value. Our calculator accounts for the *number* of these stones.
  • Certification and Brand: Diamonds graded by reputable labs like GIA or AGS often carry a premium due to the trust in their grading accuracy. Additionally, well-known jewelry brands may add a significant markup due to their reputation and perceived exclusivity. Our calculator assumes a standard market value without specific brand premiums.
  • Market Demand and Trends: Like any commodity, diamond prices fluctuate based on global supply, demand, and current jewelry trends. A diamond ring worth calculator provides a snapshot based on current benchmarks but cannot predict future market shifts.
  • Condition and Wear: The physical condition of the ring – signs of wear, damage to the metal, or chipped facets on the diamond – can reduce its value. This calculator assumes the ring is in good condition.

Frequently Asked Questions (FAQ)

Q1: How accurate is this diamond ring worth calculator?

A: This calculator provides an *estimated* market value based on common industry benchmarks and algorithms. It's a useful starting point but cannot replace a professional appraisal, which considers nuances like specific lab reports, provenance, and current localized market conditions.

Q2: Can this calculator tell me the retail price of a new ring?

A: Not exactly. It estimates the current *market worth*, which can differ from both the original retail price (which includes brand markup and retailer profit) and the immediate resale price (which is often lower). It aims for a fair market value.

Q3: What if I don't know the exact clarity or color grade?

A: Use your best honest estimate. If unsure, it's often safer to estimate slightly lower on grades like clarity (e.g., if you think it's VS1 or VS2, perhaps select VS2) to get a more conservative valuation. Significant guesswork can lead to inaccurate results.

Q4: Does the calculator factor in fluorescence?

A: This simplified calculator does not explicitly ask for fluorescence, which can impact a diamond's appearance and value. Strong blue fluorescence, for example, can sometimes make a near-colorless diamond appear whiter but can also make it look hazy or milky in certain lighting, potentially affecting its value.

Q5: What is the difference between the 'Estimated Market Value' and the sum of the table values?

A: The table values represent direct contributions from components. The 'Estimated Market Value' is a more holistic calculation that might incorporate factors like rarity premiums for larger carats or overall market adjustments not fully captured by the simple sum of component values.

Q6: How does the metal type affect the value?

A: Precious metals like Platinum and 14k/18k Gold have inherent value based on market prices. Platinum is generally more valuable than gold. The calculator uses generalized value factors based on metal type and complexity, reflecting both material cost and craftsmanship.

Q7: Should I use this calculator if I'm planning to sell my ring?

A: Yes, it's an excellent tool to get a preliminary understanding of your ring's potential value before approaching buyers or jewelers. It helps you gauge whether you're receiving fair offers.

Q8: What if my ring has multiple diamonds of similar size?

A: This calculator is primarily designed for rings with one prominent center diamond. If your ring features multiple stones of similar size, the input for 'Diamond Carat Weight' should represent the total carat weight of all primary stones combined, and the 'Setting Complexity' should reflect the overall design.

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Disclaimer: This calculator provides estimated values for informational purposes only and does not constitute a professional appraisal.

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} // Other validations can be added here for color, clarity, cut, etc. if specific numeric mappings are needed, // but for select dropdowns, we assume valid selection if not null. // For simplicity, we'll assume valid selections for dropdowns. var accentStones = getInputValue('additionalStones'); if (accentStones === null || isNaN(accentStones) || accentStones < 0) { setErrorMessage('additionalStonesError', 'Please enter a valid non-negative number of stones.'); errors = true; } else { clearErrorMessage('additionalStonesError'); } return !errors; } function getDiamondValueFactor(color, clarity, cut) { var factor = 1.0; var colorValue = 0; var clarityValue = 0; var cutValue = 0; switch(color) { case 'D': colorValue = 100; break; case 'E': colorValue = 95; break; case 'F': colorValue = 90; break; case 'G': colorValue = 80; break; case 'H': colorValue = 70; break; case 'I': colorValue = 60; break; case 'J': colorValue = 50; break; case 'K': colorValue = 40; break; case 'L': colorValue = 30; break; case 'M': colorValue = 20; break; default: colorValue = 10; } switch(clarity) { case 'FL': clarityValue = 100; break; case 'IF': clarityValue = 95; break; case 'VVS1': clarityValue = 90; break; case 'VVS2': clarityValue = 85; break; case 'VS1': clarityValue = 75; break; case 'VS2': clarityValue = 65; break; case 'SI1': clarityValue = 50; break; case 'SI2': clarityValue = 40; break; case 'I1': clarityValue = 25; break; case 'I2': clarityValue = 15; break; default: clarityValue = 5; } switch(cut) { case 'Excellent': cutValue = 100; break; case 'Very Good': cutValue = 90; break; case 'Good': cutValue = 75; break; case 'Fair': cutValue = 50; break; default: cutValue = 30; } // Simplified composite score for factor calculation var qualityScore = (colorValue * 0.35) + (clarityValue * 0.35) + (cutValue * 0.30); qualityScore = Math.max(0, Math.min(100, qualityScore)); // Clamp between 0 and 100 // Base price per carat – highly variable, this is illustrative var basePricePerCarat = 2000; // Base for good quality, e.g. G/VS1 // Adjust base price per carat based on quality score factor = basePricePerCarat * (qualityScore / 70); // Simple scaling, higher score means higher factor factor = Math.max(500, Math.min(15000, factor)); // Clamp factor to a realistic range return factor; } function getSettingValueFactor(metal, complexity) { var metalValue = 0; var complexityValue = 0; switch(metal) { case 'Platinum': metalValue = 800; break; case '18k_Gold': metalValue = 600; break; case '14k_Gold': metalValue = 500; break; case 'White_Gold': metalValue = 500; break; case 'Yellow_Gold': metalValue = 450; break; case 'Rose_Gold': metalValue = 450; break; case 'Silver': metalValue = 150; break; default: metalValue = 300; } switch(complexity) { case 'Simple': complexityValue = 100; break; case 'Moderate': complexityValue = 300; break; case 'Complex': complexityValue = 600; break; default: complexityValue = 200; } return metalValue + complexityValue; } function getAccentStonesValue(count) { // Estimate value per small stone, highly variable var valuePerStone = 50; // Small accent stones return count * valuePerStone; } function calculateWorth() { if (!validateInputs()) { return; } var carat = getInputValue('diamondCarat'); var color = getSelectValue('diamondColor'); var clarity = getSelectValue('diamondClarity'); var cut = getSelectValue('diamondCut'); var metal = getSelectValue('settingMetal'); var complexity = getSelectValue('settingComplexity'); var accentStonesCount = getInputValue('additionalStones'); var diamondBaseFactor = getDiamondValueFactor(color, clarity, cut); var settingBaseFactor = getSettingValueFactor(metal, complexity); var accentStonesTotalValue = getAccentStonesValue(accentStonesCount); // Refined calculation: add a premium for larger diamonds (rarity) var caratExponent = 1.15; // Larger diamonds are rarer and more valuable per carat var diamondValue = (diamondBaseFactor * Math.pow(carat, caratExponent)); diamondValue = Math.max(100, diamondValue); // Ensure a minimum diamond value var totalSettingAndAccentValue = settingBaseFactor + accentStonesTotalValue; totalSettingAndAccentValue = Math.max(100, totalSettingAndAccentValue); // Ensure a minimum setting value var totalEstimatedWorth = diamondValue + totalSettingAndAccentValue; // Calculate a quality score (simplified) var qualityScore = ((diamondBaseFactor / 15000) * 70) + ((settingBaseFactor + accentStonesTotalValue) / 2000) * 30; // Rough weighting qualityScore = Math.max(0, Math.min(100, qualityScore)); // Clamp score document.getElementById('mainResult').innerText = '$' + totalEstimatedWorth.toFixed(2); document.getElementById('diamondValueFactor').innerText = '$' + diamondBaseFactor.toFixed(2) + '/ct (Est.)'; document.getElementById('settingValueFactor').innerText = '$' + settingBaseFactor.toFixed(2); document.getElementById('qualityScore').innerText = qualityScore.toFixed(1) + '%'; // Update table document.getElementById('tableDiamondValue').innerText = '$' + diamondValue.toFixed(2); document.getElementById('tableSettingValue').innerText = '$' + settingBaseFactor.toFixed(2); document.getElementById('tableAccentStonesValue').innerText = '$' + accentStonesTotalValue.toFixed(2); document.getElementById('tableTotalValue').innerText = '$' + totalEstimatedWorth.toFixed(2); // Show results container document.getElementById('results-container').style.display = 'block'; // Update chart updateChart(diamondValue, settingBaseFactor, accentStonesTotalValue); } function updateChart(diamondValue, settingValue, accentValue) { var ctx = document.getElementById('valueChart').getContext('2d'); // Destroy previous chart instance if it exists if (chartInstance) { chartInstance.destroy(); } // Define data series var labels = ['Diamond (Primary)', 'Setting (Metal & Craftsmanship)', 'Accent Stones']; var dataPoints = [diamondValue, settingValue, accentValue]; // Bar chart colors var colors = ['#007bff', '#6c757d', '#28a745']; // Primary blue, Grey, Success green chartInstance = new Chart(ctx, { type: 'bar', data: { labels: labels, datasets: [{ label: 'Estimated Value Contribution', data: dataPoints, backgroundColor: colors, borderColor: '#ffffff', borderWidth: 1 }] }, options: { responsive: true, maintainAspectRatio: false, scales: { y: { beginAtZero: true, ticks: { callback: function(value) { return '$' + value.toFixed(0); } } } }, plugins: { legend: { display: true, position: 'top' }, tooltip: { callbacks: { label: function(context) { var label = context.dataset.label || ''; if (label) { label += ': '; } if (context.parsed.y !== null) { label += '$' + context.parsed.y.toLocaleString(); } return label; } } } } } }); } function resetCalculator() { document.getElementById('diamondCarat').value = ''; document.getElementById('diamondColor').value = 'G'; document.getElementById('diamondClarity').value = 'VS1'; document.getElementById('diamondCut').value = 'Excellent'; document.getElementById('settingMetal').value = '14k_Gold'; document.getElementById('settingComplexity').value = 'Simple'; document.getElementById('additionalStones').value = '0'; clearAllErrorMessages(); document.getElementById('results-container').style.display = 'none'; if (chartInstance) { chartInstance.destroy(); chartInstance = null; } // Optionally reset chart/table to default/zero state if desired updateChart(0, 0, 0); // Reset chart visually document.getElementById('tableDiamondValue').innerText = '$0.00'; document.getElementById('tableSettingValue').innerText = '$0.00'; document.getElementById('tableAccentStonesValue').innerText = '$0.00'; document.getElementById('tableTotalValue').innerText = '$0.00'; document.getElementById('mainResult').innerText = '$0.00'; document.getElementById('diamondValueFactor').innerText = '0.00'; document.getElementById('settingValueFactor').innerText = '0.00'; document.getElementById('qualityScore').innerText = '0.00%'; document.getElementById('copyFeedback').classList.remove('visible'); // Hide copy feedback } function clearAllErrorMessages() { var errorElements = document.querySelectorAll('.error-message'); for (var i = 0; i < errorElements.length; i++) { errorElements[i].innerText = ''; errorElements[i].classList.remove('visible'); } } function copyResults() { var mainResultElement = document.getElementById('mainResult'); var diamondFactorElement = document.getElementById('diamondValueFactor'); var settingFactorElement = document.getElementById('settingValueFactor'); var qualityScoreElement = document.getElementById('qualityScore'); var tableDiamond = document.getElementById('tableDiamondValue').innerText; var tableSetting = document.getElementById('tableSettingValue').innerText; var tableAccent = document.getElementById('tableAccentStonesValue').innerText; var tableTotal = document.getElementById('tableTotalValue').innerText; var assumptions = "Key Assumptions:\n"; assumptions += "- Diamond Carat: " + document.getElementById('diamondCarat').value + "\n"; assumptions += "- Diamond Color: " + document.getElementById('diamondColor').value + "\n"; assumptions += "- Diamond Clarity: " + document.getElementById('diamondClarity').value + "\n"; assumptions += "- Diamond Cut: " + document.getElementById('diamondCut').value + "\n"; assumptions += "- Setting Metal: " + document.getElementById('settingMetal').value + "\n"; assumptions += "- Setting Complexity: " + document.getElementById('settingComplexity').value + "\n"; assumptions += "- Accent Stones: " + document.getElementById('additionalStones').value + "\n"; var textToCopy = "— Diamond Ring Worth Estimate —\n\n"; textToCopy += "Estimated Market Value: " + mainResultElement.innerText + "\n"; textToCopy += "Diamond Value Component: " + diamondFactorElement.innerText + "\n"; textToCopy += "Setting Value Component: " + settingFactorElement.innerText + "\n"; textToCopy += "Total Quality Score: " + qualityScoreElement.innerText + "\n\n"; textToCopy += "Detailed Breakdown:\n"; textToCopy += "- Primary Diamond Value: " + tableDiamond + "\n"; textToCopy += "- Setting Value: " + tableSetting + "\n"; textToCopy += "- Accent Stones Value: " + tableAccent + "\n"; textToCopy += "- Total Estimated Worth: " + tableTotal + "\n\n"; textToCopy += assumptions; navigator.clipboard.writeText(textToCopy).then(function() { var feedbackElement = document.getElementById('copyFeedback'); feedbackElement.classList.add('visible'); // Optionally hide feedback after a few seconds setTimeout(function() { feedbackElement.classList.remove('visible'); }, 3000); // Change button style temporarily var copyButton = document.querySelector('.copy-btn'); copyButton.classList.add('copied'); setTimeout(function() { copyButton.classList.remove('copied'); }, 1000); }, function(err) { console.error('Failed to copy text: ', err); // Handle error, perhaps show a message to the user }); } // Initialize chart on load window.onload = function() { // Initialize chart with zero values updateChart(0, 0, 0); // Set initial sensible defaults for inputs if they are empty if (document.getElementById('diamondCarat').value === '') document.getElementById('diamondCarat').value = '1.00'; if (document.getElementById('diamondColor').value === '') document.getElementById('diamondColor').value = 'G'; if (document.getElementById('diamondClarity').value === '') document.getElementById('diamondClarity').value = 'VS1'; if (document.getElementById('diamondCut').value === '') document.getElementById('diamondCut').value = 'Excellent'; if (document.getElementById('settingMetal').value === '') document.getElementById('settingMetal').value = '14k_Gold'; if (document.getElementById('settingComplexity').value === '') document.getElementById('settingComplexity').value = 'Simple'; if (document.getElementById('additionalStones').value === '') document.getElementById('additionalStones').value = '0'; // Optional: Automatically calculate on load if inputs have defaults // calculateWorth(); }; // Add event listeners for real-time updates (optional, if not relying solely on button click) document.getElementById('diamondCarat').addEventListener('input', calculateWorth); document.getElementById('diamondColor').addEventListener('change', calculateWorth); document.getElementById('diamondClarity').addEventListener('change', calculateWorth); document.getElementById('diamondCut').addEventListener('change', calculateWorth); document.getElementById('settingMetal').addEventListener('change', calculateWorth); document.getElementById('settingComplexity').addEventListener('change', calculateWorth); document.getElementById('additionalStones').addEventListener('input', calculateWorth); // Chart.js library – required for the chart // If you are using this code, you need to include the Chart.js library in your HTML file. // Add this script tag just before the closing tag or at the end of the tag: // // For this self-contained HTML, we'll assume Chart.js is available or should be included separately. // For a fully standalone HTML, you'd embed Chart.js source or use a CDN link. // NOTE: For this example, I'm assuming Chart.js CDN is available.

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