Diamond Ring Value Calculator

Diamond Ring Value Estimator

Use this calculator to get an estimated value for a diamond ring based on its key characteristics. Please note that this is an estimation, as actual market prices can vary significantly due to brand, retailer, specific inclusions, and current market demand.

(e.g., 0.50, 1.00, 1.50)

Excellent Very Good Good Fair Poor

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)

FL (Flawless) IF (Internally Flawless) VVS1 (Very Very Slightly Included 1) VVS2 (Very Very Slightly Included 2) VS1 (Very Slightly Included 1) VS2 (Very Slightly Included 2) SI1 (Slightly Included 1) SI2 (Slightly Included 2) I1 (Included 1) I2 (Included 2) I3 (Included 3)

Platinum 18K White Gold 14K White Gold 18K Yellow Gold 14K Yellow Gold Rose Gold Sterling Silver

Solitaire Pave Halo Three-Stone Vintage/Custom Design

GIA (Gemological Institute of America) AGS (American Gem Society) IGI (International Gemological Institute) None / Other

function calculateDiamondValue() { var caratWeight = parseFloat(document.getElementById("caratWeight").value); var cutGrade = document.getElementById("cutGrade").value; var colorGrade = document.getElementById("colorGrade").value; var clarityGrade = document.getElementById("clarityGrade").value; var settingMaterial = document.getElementById("settingMaterial").value; var settingStyle = document.getElementById("settingStyle").value; var certification = document.getElementById("certification").value; if (isNaN(caratWeight) || caratWeight <= 0) { document.getElementById("result").innerHTML = "Please enter a valid diamond carat weight."; return; } // Base price per carat for a 'standard' diamond (e.g., G, VS2, Very Good) // This is a simplified model. Real diamond pricing is more complex and non-linear. var basePricePerCarat = 4500; // Base for a 1.00 ct, G, VS2, Very Good diamond // Adjust base price for carat weight (non-linear scaling) // Larger diamonds have a higher price per carat var caratFactor; if (caratWeight < 0.5) { caratFactor = Math.pow(caratWeight, 1.2) * 0.8; // Smaller diamonds are less per carat } else if (caratWeight < 1.0) { caratFactor = Math.pow(caratWeight, 1.3) * 1.0; } else if (caratWeight < 1.5) { caratFactor = Math.pow(caratWeight, 1.4) * 1.2; } else if (caratWeight < 2.0) { caratFactor = Math.pow(caratWeight, 1.5) * 1.4; } else { caratFactor = Math.pow(caratWeight, 1.6) * 1.6; // Very large diamonds are significantly more } var diamondBaseValue = basePricePerCarat * caratFactor * 1000; // Scale up to a more realistic range // Multipliers for Cut Grade var cutMultiplier; switch (cutGrade) { case "Excellent": cutMultiplier = 1.20; break; case "Very Good": cutMultiplier = 1.00; break; case "Good": cutMultiplier = 0.85; break; case "Fair": cutMultiplier = 0.70; break; case "Poor": cutMultiplier = 0.50; break; default: cutMultiplier = 1.00; } // Multipliers for Color Grade var colorMultiplier; switch (colorGrade) { case "D": colorMultiplier = 1.30; break; case "E": colorMultiplier = 1.20; break; case "F": colorMultiplier = 1.10; break; case "G": colorMultiplier = 1.00; break; case "H": colorMultiplier = 0.90; break; case "I": colorMultiplier = 0.80; break; case "J": colorMultiplier = 0.70; break; case "K": colorMultiplier = 0.60; break; case "L": colorMultiplier = 0.50; break; case "M": colorMultiplier = 0.40; break; default: colorMultiplier = 1.00; } // Multipliers for Clarity Grade var clarityMultiplier; switch (clarityGrade) { case "FL": clarityMultiplier = 2.00; break; case "IF": clarityMultiplier = 1.80; break; case "VVS1": clarityMultiplier = 1.60; break; case "VVS2": clarityMultiplier = 1.40; break; case "VS1": clarityMultiplier = 1.20; break; case "VS2": clarityMultiplier = 1.00; break; case "SI1": clarityMultiplier = 0.80; break; case "SI2": clarityMultiplier = 0.60; break; case "I1": clarityMultiplier = 0.40; break; case "I2": clarityMultiplier = 0.30; break; case "I3": clarityMultiplier = 0.20; break; default: clarityMultiplier = 1.00; } var estimatedDiamondValue = diamondBaseValue * cutMultiplier * colorMultiplier * clarityMultiplier; // Setting Material Base Costs var settingMaterialCost; switch (settingMaterial) { case "Platinum": settingMaterialCost = 800; break; case "18K White Gold": settingMaterialCost = 600; break; case "14K White Gold": settingMaterialCost = 450; break; case "18K Yellow Gold": settingMaterialCost = 550; break; case "14K Yellow Gold": settingMaterialCost = 400; break; case "Rose Gold": settingMaterialCost = 500; break; case "Sterling Silver": settingMaterialCost = 150; break; default: settingMaterialCost = 400; } // Setting Style Complexity Add-ons var settingStyleAddOn; switch (settingStyle) { case "Solitaire": settingStyleAddOn = 0; break; case "Pave": settingStyleAddOn = 200; break; case "Halo": settingStyleAddOn = 400; break; case "Three-Stone": settingStyleAddOn = 300; break; case "Vintage/Custom": settingStyleAddOn = 600; break; default: settingStyleAddOn = 0; } var totalSettingCost = settingMaterialCost + settingStyleAddOn; // Certification Premium var certificationPremium = 0; switch (certification) { case "GIA": certificationPremium = 0.10; break; // 10% premium on diamond value case "AGS": certificationPremium = 0.10; break; // 10% premium on diamond value case "IGI": certificationPremium = 0.05; break; // 5% premium on diamond value case "None": certificationPremium = 0; break; default: certificationPremium = 0; } estimatedDiamondValue *= (1 + certificationPremium); var totalEstimatedValue = estimatedDiamondValue + totalSettingCost; document.getElementById("result").innerHTML = "

Estimated Ring Value:

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Understanding Your Diamond Ring's Value

A diamond ring is often a significant investment, both financially and emotionally. Determining its value can be complex, as it depends on a multitude of factors. Our Diamond Ring Value Estimator provides a helpful starting point by considering the most critical attributes that influence a diamond's price, along with the cost of its setting.

The 4 Cs of Diamond Valuation

The universally accepted standard for evaluating a diamond's quality and value is known as the "4 Cs": Carat, Cut, Color, and Clarity.

• Carat Weight: This refers to the diamond's weight, not its size. One carat equals 200 milligrams. Generally, the higher the carat weight, the rarer and more valuable the diamond. However, the price per carat increases disproportionately with weight; a 2-carat diamond is typically much more than double the price of a 1-carat diamond of similar quality.
• Cut Grade: Often considered the most important of the 4 Cs, the cut refers to how well a diamond's facets interact with light. An excellent cut maximizes a diamond's brilliance, fire, and sparkle. Grades range from Excellent to Poor, with higher grades commanding significantly higher prices.
• Color Grade: For most diamonds, the less color, the higher the value. The GIA color grading scale ranges from D (colorless) to Z (light yellow or brown). D, E, and F are considered colorless, G-J are near-colorless, and K-M show faint yellow.
• Clarity Grade: This measures the absence of inclusions (internal flaws) and blemishes (external flaws). The GIA clarity scale ranges from Flawless (FL) to Included (I3). Flawless diamonds are extremely rare and valuable, while diamonds with visible inclusions (I1-I3) are less expensive.

The Role of the Ring Setting

While the diamond is the star, the ring setting also contributes significantly to the overall value. Factors include:

• Metal Material: Platinum is typically the most expensive, followed by 18K and 14K gold (white, yellow, or rose). Sterling silver is the least expensive.
• Setting Style: A simple solitaire setting will cost less than intricate designs like pavé, halo, or custom vintage settings, which require more metal, labor, and potentially additional smaller diamonds.

The Importance of Certification

A diamond's value is significantly influenced by its certification from a reputable gemological laboratory. Organizations like the Gemological Institute of America (GIA) and the American Gem Society (AGS) are highly respected for their consistent and unbiased grading.

• GIA & AGS: Diamonds certified by these labs often command a premium due to the trust and confidence their reports inspire. They provide detailed, objective assessments of the 4 Cs.
• IGI: The International Gemological Institute is another widely recognized lab, particularly in certain markets.
• Uncertified/Other: Diamonds without reputable certification may be valued lower, as buyers might be wary of inflated grades or undisclosed treatments.

How Our Calculator Estimates Value

Our calculator uses a simplified model based on typical market trends for the 4 Cs, common setting costs, and the impact of certification. It applies base values and multipliers to estimate the diamond's intrinsic worth and then adds an estimated cost for the chosen setting.

Examples of Diamond Ring Value Estimates:

• Example 1: Classic Solitaire
  A 1.00 Carat, G Color, VS2 Clarity, Very Good Cut diamond in a 14K White Gold Solitaire setting, with GIA Certification, might be estimated around $6,500 – $8,500.
• Example 2: High-Quality Halo
  A 1.50 Carat, E Color, VVS2 Clarity, Excellent Cut diamond in a Platinum Halo setting, with AGS Certification, could be estimated around $18,000 – $25,000.
• Example 3: Budget-Friendly Choice
  A 0.75 Carat, I Color, SI1 Clarity, Good Cut diamond in a 14K Yellow Gold Solitaire setting, without formal certification, might be estimated around $2,500 – $4,000.

Disclaimer: This calculator provides an approximate value for informational purposes only. Actual market prices can vary widely based on specific retailers, brand reputation, unique diamond characteristics (like fluorescence or specific inclusion types), and current market conditions. For a precise valuation, especially for insurance or resale, always consult with a certified gemologist or appraiser.