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 ₹1,63,132 INR to ₹3,96,411 INR, with a median price of ₹2,79,915 INR. There are currently 847 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 847 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 ₹1,63,132 INR to ₹3,96,411 INR, with a median of ₹2,79,915 INR. At least 37 retailers stock this exact specification. Half of all listings fall between ₹1,00,509 INR and ₹2,26,171 INR per carat. The same specification in natural form lists at a median of about ₹8,07,942 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

847

Lowest Price

₹36,753 INR

Highest Price

₹34,18,095 INR

Average Price

₹3,59,399 INR

Market Intelligence

Retailers Selling

Price Spread

86.0%

Price Range

Price per carat distribution across retailers

$1,522/ct

10th Percentile

$596

Median

$1,522

90th Percentile

$6,450

Score Distribution

847 diamonds scored across 4 quality tiers

Excellent

169 (20.0%)

Very Good

489 (57.7%)

Good

150 (17.7%)

Average

39 (4.6%)

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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