PreciousMetalCalc.comGold · Silver · Diamond
What Is My Diamond Worth?
Diamond Value Calculator
Estimate the current market value of your diamond using the 4C grading system. Get a price range for natural and lab-grown diamonds.
GIA-aligned estimates
4C grading system
Natural & lab grown
Free · No signup
These are market range estimates based on simplified 4C grade inputs. Actual values vary significantly. Always get a GIA-certified appraisal for insurance or major selling decisions.
e.g. 0.5, 1.0, 1.5, 2.0
Estimated Value
$0
Market midpoint
Low Estimate
$0
Conservative
High Estimate
$0
Optimistic
How Each Grade Affects Value
Cut: Very Good
Brilliance and light performance
Standard
Color: G
Near colorless — difficult to detect
Standard
Clarity: VS1
Inclusions not visible to naked eye
Standard
Natural vs Lab Grown at This Grade
Natural Diamond
$0
Mined diamond
Lab Grown Diamond
$0
~70% lower price, same physical properties
Measure across widest point
Measure shorter axis
Measure girdle to culet
From grading report if available
0.00
estimated carats
Based on shape formula. Within 5-10% of actual weight for well-proportioned stones.
Original purchase or appraisal price
Estimated Resale
$0
Secondary market
% of Purchase Price
0%
Typical retention
Buyer Offer Range
$0
Dealer / consignment
Where to Sell a Diamond
Online Diamond Buyer
Abe Mor, WP Diamonds, Worthy.com
$0
Local Jeweller
Trade-in or cash offer
$0
Auction (Sotheby's / Christie's)
Best for 2ct+ exceptional stones
$0
Consignment Sale
Worthy, I Do Now I Don't
$0
Diamond Value Calculator — Key Information
How It WorksEnter carat weight and 4C grades above. Results are market range estimates based on current retail pricing guides.
AccuracyEstimates are within 20-40% of actual value for typical stones. Exceptional or unusual diamonds require GIA appraisal.
Best UseUse this to benchmark a seller offer or insurance replacement value. Never sell based solely on this estimate.
4C PriorityCut has the most impact on beauty and value. Color and clarity are graded D-Z and FL-I3 respectively.
Lab vs NaturalLab diamonds sell for 70-80% less than equivalent natural diamonds. Physical properties are identical.
DocumentationA GIA certificate increases buyer confidence and resale value significantly for diamonds above 0.50 carats.