Skip to the main content
Price index 1-month change,
1 ct, all shapes Natural $3,849 +0.18% 1 ct, all shapes Lab-grown $534 +4.71% 1 ct Round Natural $4,675 -0.83% 1 ct Round Lab-grown $517 +4.23% 1 ct Oval Natural $3,925 +2.03% 1 ct Oval Lab-grown $568 +7.17% 2 ct, all shapes Natural $17,407 -0.10% 2 ct, all shapes Lab-grown $1,025 -2.19% 1 ct Emerald Natural $2,802 -0.81% 1 ct Emerald Lab-grown $522 -2.79% 0.5 ct, all shapes Natural $1,078 +1.60% 0.5 ct, all shapes Lab-grown $378 +14.20% 1 ct Cushion Natural $2,772 -1.35% 1 ct Cushion Lab-grown $528 +6.02% 3 ct, all shapes Natural $41,595 +0.99% 3 ct, all shapes Lab-grown $1,632 +0.18% 1 ct Pear Natural $3,783 +1.23% 1 ct Pear Lab-grown $569 +8.59% 1.5 ct, all shapes Natural $8,277 -0.10% 1.5 ct, all shapes Lab-grown $742 +2.34% 1 ct Radiant Natural $2,816 -3.20% 1 ct Radiant Lab-grown $561 +4.66% 1 ct Princess Natural $2,821 -0.18% 1 ct Princess Lab-grown $552 +3.18% 5 ct, all shapes Natural $116,524 -1.36% 5 ct, all shapes Lab-grown $2,168 +0.00%

Find your diamond

Compare live prices on over 2 million diamonds from partner jewelers, or check a GIA or IGI diamond.

Excellent 4.8 on Trustpilot from 57 reviews

Natural diamonds

Results sort by price compared with the Fair Price Estimate.

26,030

natural diamonds listed by partner jewelers today

+0.18% 1 ct prices in the month to

Lab diamonds

Results sort by price, lowest first.

215,472

lab diamonds listed by partner jewelers today

+4.71% 1 ct prices in the month to

Tools for buying a diamond

Try each tool here. Open the full tool for every option.

Diamond Price Calculator

What should this diamond cost?

Pick the shape, carat, color and clarity. See the Fair Price Estimate, which we update every day from live jeweler prices.

  • Natural and lab diamonds
  • A price range for the diamond
  • The full calculator has every shape and grade
Origin
Shape
1.00 ct
Color
Clarity

Fair Price Estimate

$3,779

Round 1.00 ct G VS2, natural

$1,982$5,757

Estimate range

+0.18% 1 ct natural prices in the last month

Diamond Check

Is this diamond priced fairly?

Enter a GIA or IGI report number. See the Fair Price Estimate for that exact diamond and how the jeweler's price compares.

Example: a GIA diamond a partner jeweler lists today
GIA 1558379614 Check
Shape, carat
Round 1.24 ct
Color
H
Clarity
SI1
Cut
Excellent
Jeweler's price
$2,552
Fair Price Estimate
$5,013

49% under the Fair Price Estimate

9.1 Cut score out of 10, from the report's measurements

Diamond Comparison Tool

Compare diamonds side by side

Add up to 4 diamonds. See price, Fair Price Estimate, cut score and proportions in one table. We mark the best diamond in each row.

Example: three 1 ct round diamonds partner jewelers list today
Measure Diamond ADiamond BDiamond C
Price $3,013 (best) $3,694 $3,488
Vs. Fair Price Estimate -26% (best) -17% -16%
Cut score 8.6 (best) 8.6 8.5
Color, clarity H VS2 G VS1 G VS2
Table 58% 60% 58%

The best diamond in the row

Diamond Price Indexes

Are diamond prices going up or down?

Daily price indexes for natural and lab diamonds, by shape and carat.

1 ct natural diamond, all shapes, average price

$3,849 +0.18% in the last month

Nov 10, 2025Nov 10, 2026

3D Ring Designer

See your diamond in a ring

Choose a shape and a setting, then turn the ring in 3D before you buy.

A solitaire engagement ring with a round diamond
Design a ring