How much does a 2.00 to 2.99ct G IF lab grown marquise diamond cost?

As of September 2026, 2.00 to 2.99ct G IF lab grown marquise diamonds typically cost HK$7,855 HKD to HK$84,038 HKD, with a median price of HK$24,753 HKD. There are currently 20 diamonds matching this specification available across retailers.

Where can I find the best price on a G IF marquise diamond?

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2.00 to 2.99ct G IF Lab Grown Marquise

Quick answer

As of September 2026, there are 20 lab grown marquise diamonds with G colour and IF clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run HK$7,855 HKD to HK$84,038 HKD, with a median of HK$24,753 HKD. At least 36 retailers stock this exact specification. Half of all listings fall between HK$6,842 HKD and HK$17,010 HKD per carat. The same specification in natural form lists at a median of about HK$132,961 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. Marquise lab grown stones in the index: 500 USD per carat, -14.7% 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

HK$6,623 HKD

Highest Price

HK$208,373 HKD

Average Price

HK$41,403 HKD

Market Intelligence

Retailers Selling

Price Spread

86.8%

Price Range

Price per carat distribution across retailers

$1,522/ct

10th Percentile

$704

Median

$1,522

90th Percentile

$3,050

Score Distribution

20 diamonds scored across 4 quality tiers

Excellent

3 (15.0%)

Very Good

5 (25.0%)

Good

6 (30.0%)

Average

6 (30.0%)

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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