How much does a 2.00 to 2.99ct I SI1 lab grown round diamond cost?

As of September 2026, 2.00 to 2.99ct I SI1 lab grown round diamonds typically cost ₹1,41,667 INR to ₹7,05,690 INR, with a median price of ₹2,43,083 INR. There are currently 841 diamonds matching this specification available across retailers.

Where can I find the best price on a I SI1 round diamond?

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2.00 to 2.99ct I SI1 Lab Grown Round

Quick answer

As of September 2026, there are 841 lab grown round diamonds with I colour and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run ₹1,41,667 INR to ₹7,05,690 INR, with a median of ₹2,43,083 INR. At least 37 retailers stock this exact specification. Half of all listings fall between ₹84,366 INR and ₹1,96,417 INR per carat. The same specification in natural form lists at a median of about ₹7,03,306 INR per carat.

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

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Round lab grown stones in the index: 438 USD per carat, -14.1% month on month. See the full index release

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

Last updated: September 2026

Available

841

Lowest Price

₹31,917 INR

Highest Price

₹29,68,333 INR

Average Price

₹3,44,257 INR

Market Intelligence

Retailers Selling

Price Spread

84.3%

Price Range

Price per carat distribution across retailers

$1,595/ct

10th Percentile

$564

Median

$1,595

90th Percentile

$7,640

Score Distribution

841 diamonds scored across 4 quality tiers

Excellent

168 (20.0%)

Very Good

403 (47.9%)

Good

175 (20.8%)

Average

95 (11.3%)

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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