Diamond Price Calculator
Estimate diamond prices based on shape, carat weight, color, and clarity using live market data from 15+ online retailers tracked daily by CaratRadar.
Estimate Diamond Price
How Our Price Calculator Works
Select Your Specs
Choose shape, carat weight, color grade, and clarity grade for the diamond you are looking for.
See Live Prices
We query our database of diamonds from 15+ retailers to show you real market prices, not estimates.
Compare & Save
Click through to see matching diamonds and compare prices across retailers for the exact same certified stone.
Frequently Asked Questions
How accurate is this diamond price calculator?
Our calculator uses live market data from 15+ online diamond retailers, refreshed daily. The price ranges shown reflect actual asking prices for diamonds matching your criteria, not theoretical estimates.
Does this calculator work for both natural and lab-grown diamonds?
Yes. Select your preferred diamond type (Natural or Lab Grown) and the calculator will show prices specific to that category. Lab-grown diamonds are typically 30-50% less expensive than equivalent natural diamonds.
Why is there a price range instead of a single price?
Diamond prices vary significantly across retailers for the same certified stone. The range shows you the lowest and highest prices we track, helping you understand the full market and find the best deal.
What factors affect diamond price the most?
Carat weight has the biggest impact on price, followed by color and clarity grades. Cut quality also matters but is harder to quantify in price alone. Shape influences price too — round brilliant diamonds command a premium over fancy shapes.