How much does a 2.00 to 2.99ct D I1 lab grown round diamond cost?

As of October 2026, 2.00 to 2.99ct D I1 lab grown round diamonds typically cost $537 USD to $24,120 USD, with a median price of $3,129 USD. There are currently 4 diamonds matching this specification available across retailers.

Where can I find the best price on a D I1 round diamond?

About 20% of these diamonds are available at multiple retailers, with an average price spread of 176%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct D I1 Lab Grown Round

Quick answer

As of October 2026, there are 4 lab grown round diamonds with D color and I1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $537 USD to $24,120 USD, with a median of $3,129 USD. At least 13 retailers stock this exact specification, and 20% of the stones appear at more than one of them, with an average price spread of 176%. Half of all listings fall between $163 USD and $598 USD per carat. The same specification in natural form lists at a median of about $8,606 USD per carat.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, September 2026: natural diamonds at 2,335 USD per carat and lab-grown at 443 USD per carat, a natural to lab ratio of 5.3 to 1. Round lab grown stones in the index: 414 USD per carat, -5.0% month on month. See the full index release

Figures come from current listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: October 2026

Available

Lowest Price

$502 USD

Highest Price

$27,270 USD

Average Price

$9,262 USD

Market Intelligence

Retailers Selling

Cross Retailer %

20.0%

Price Spread

176.4%

Price Range

Price per carat distribution across retailers

$246/ct

10th Percentile

$146

Median

$246

90th Percentile

$1,347

Score Distribution

6 diamonds scored across 2 quality tiers

Very Good

4 (66.7%)

Good

2 (33.3%)

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Related Specifications

D IF D VVS1 D VVS2 D VS1 D VS2 D SI1 E IF E VVS1 E VVS2 E VS1 E VS2 E SI1 F IF F VVS1 F VVS2 F VS1 F VS2 F SI1 G IF G VVS1 G VVS2 G VS1 G VS2 G SI1 H IF H VVS1 H VVS2 H VS1 H VS2 H SI1 I IF I VVS1 I VVS2 I VS1 I VS2 I SI1