How much does a 3.00 to 4.99ct H SI2 lab grown round diamond cost?

As of September 2026, 3.00 to 4.99ct H SI2 lab grown round diamonds typically cost ₹1,00,237 INR to ₹56,80,326 INR, with a median price of ₹22,96,499 INR. There are currently 70 diamonds matching this specification available across retailers.

Where can I find the best price on a H SI2 round diamond?

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3.00 to 4.99ct H SI2 Lab Grown Round

Quick answer

As of September 2026, there are 70 lab grown round diamonds with H colour and SI2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run ₹1,00,237 INR to ₹56,80,326 INR, with a median of ₹22,96,499 INR. At least 25 retailers stock this exact specification. Half of all listings fall between ₹3,46,372 INR and ₹11,06,751 INR per carat. The same specification in natural form lists at a median of about ₹9,75,023 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

Lowest Price

₹51,836 INR

Highest Price

₹97,35,767 INR

Average Price

₹27,55,815 INR

Market Intelligence

Retailers Selling

Price Spread

97.9%

Price Range

Price per carat distribution across retailers

$8,126/ct

10th Percentile

$600

Median

$8,126

90th Percentile

$14,430

Score Distribution

70 diamonds scored across 4 quality tiers

Excellent

1 (1.4%)

Very Good

22 (31.4%)

Good

20 (28.6%)

Average

27 (38.6%)

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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