How much does a 2.00 to 2.99ct G SI1 lab grown radiant diamond cost?

As of September 2026, 2.00 to 2.99ct G SI1 lab grown radiant diamonds typically cost HK$4,644 HKD to HK$40,669 HKD, with a median price of HK$15,191 HKD. There are currently 136 diamonds matching this specification available across retailers.

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

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2.00 to 2.99ct G SI1 Lab Grown Radiant

Quick answer

As of September 2026, there are 136 lab grown radiant diamonds with G colour and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run HK$4,644 HKD to HK$40,669 HKD, with a median of HK$15,191 HKD. At least 25 retailers stock this exact specification. Half of all listings fall between HK$3,372 HKD and HK$19,692 HKD per carat. The same specification in natural form lists at a median of about HK$77,788 HKD 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. Radiant lab grown stones in the index: 473 USD per carat, -12.5% 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

136

Lowest Price

HK$1,985 HKD

Highest Price

HK$150,771 HKD

Average Price

HK$19,788 HKD

Market Intelligence

Retailers Selling

Price Spread

176.0%

Price Range

Price per carat distribution across retailers

$1,182/ct

10th Percentile

$292

Median

$1,182

90th Percentile

$2,908

Score Distribution

136 diamonds scored across 4 quality tiers

Excellent

10 (7.4%)

Very Good

64 (47.1%)

Good

28 (20.6%)

Average

34 (25.0%)

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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