Diamond Price Calculator

Estimate the price of a diamond based on carat weight, cut, color, and clarity. Get retail and wholesale price estimates instantly.

Quick Diamond Price Estimator

Enter carat weight and quality to get an estimated diamond price based on current market data.

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Diamond Shape Price Comparison

Compare how diamond shape affects price for the same carat weight and quality.

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Retail vs Wholesale Price

Compare retail, online, and wholesale diamond prices for your specifications.

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How We Calculate Diamond Prices

Diamond Price = Base Price Per Carat × Carat Weight × Cut Multiplier × Color Multiplier × Clarity Multiplier

Price per carat increases exponentially with carat weight (a 2ct diamond costs more than 2x a 1ct diamond of the same quality).
Shape discount: Fancy shapes (non-round) are typically 20-40% less than round brilliants.

Frequently Asked Questions

How much does a 1-carat diamond cost?
A 1-carat diamond typically costs between $2,000 and $25,000 depending on cut, color, and clarity. A 1ct round brilliant with VS1 clarity and G color averages around $5,500-$7,500 at retail. Lower qualities can be found for $2,000-$3,000, while D/IF stones can exceed $15,000.
Why do diamond prices vary so much?
Diamond prices vary dramatically based on the 4Cs (cut, color, clarity, carat weight), fluorescence, certification lab, and market conditions. Two diamonds of the same carat weight can differ by 10x in price due to quality differences. Cut quality has the biggest impact on visual appeal and price.
Are diamonds a good investment?
Diamonds are generally not considered strong financial investments. Retail markups of 50-200% mean you lose significant value immediately upon purchase. However, rare fancy colored diamonds and large high-quality stones (3ct+, D/IF) have shown appreciation over decades. Most buyers should view diamonds as luxury purchases, not investments.
How much cheaper are wholesale diamond prices?
Wholesale diamond prices are typically 30-50% lower than retail prices. Online retailers like Blue Nile and James Allen offer prices closer to wholesale (15-25% above wholesale). Traditional brick-and-mortar jewelers mark up diamonds 50-100% or more above wholesale.

Understanding Diamond Pricing

Diamond pricing is one of the most complex areas in the luxury goods market. Unlike gold or silver, which trade on commodity exchanges with transparent pricing, diamond values are determined by a combination of physical characteristics, market demand, and distribution channel markups. The Rapaport Diamond Report provides wholesale price guidelines used by the trade, but actual transaction prices vary based on specific stone characteristics and dealer negotiations.

The relationship between carat weight and price is exponential, not linear. This means a 2-carat diamond of identical quality to a 1-carat stone will cost approximately 3-4 times more, not double. This price curve steepens at "magic numbers" like 0.50ct, 1.00ct, 1.50ct, and 2.00ct where demand spikes. Savvy buyers often look for diamonds just under these thresholds (e.g., 0.95ct instead of 1.00ct) where prices may be 15-20% lower for a size difference invisible to the naked eye.

Cut quality is widely considered the most important factor in a diamond's beauty and value. An Ideal or Excellent cut grade maximizes light return, brilliance, and fire. A well-cut diamond can appear larger and more brilliant than a higher-carat stone with a poor cut. GIA's cut grading system (Excellent, Very Good, Good, Fair, Poor) is the industry standard, though the AGS Ideal grade is considered the gold standard for cut precision.

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