How much does a 2.00 to 2.99ct H SI2 natural marquise diamond cost?

As of November 2026, 2.00 to 2.99ct H SI2 natural marquise diamonds typically cost HK$56,361 HKD to HK$261,840 HKD, with a median price of HK$110,467 HKD. There are currently 212 diamonds matching this specification available across retailers.

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

About 44% of these diamonds are available at multiple retailers, with an average price spread of 47%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct H SI2 Natural Marquise

Quick answer

As of November 2026, there are 212 natural marquise diamonds with H colour and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run HK$56,361 HKD to HK$261,840 HKD, with a median of HK$110,467 HKD. At least 52 retailers stock this exact specification, and 44% of the stones appear at more than one of them, with an average price spread of 47%. Half of all listings fall between HK$40,601 HKD and HK$66,928 HKD per carat. Over the last 30 days the median price moved -3.4% and the number of listings moved +23.8%.

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

Caratlytics Diamond Price Index, September 2026: natural diamonds at 2,335 USD per carat and lab-grown at 443 USD per carat, a natural to lab ratio of 5.3 to 1. Marquise natural stones in the index: 2,268 USD per carat, +10.8% month on month. See the full index release

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

Last updated: November 2026

Available

212

Lowest Price

HK$39,967 HKD

Highest Price

HK$481,530 HKD

Average Price

HK$129,997 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

44.2%

Price Spread

47.5%

30-Day Price Trend

-3.4%

30-Day Supply Change

+23.8%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$7,071/ct

10th Percentile

$3,902

Median

$7,071

90th Percentile

$9,821

Score Distribution

500 diamonds scored across 4 quality tiers

Excellent

105 (21.0%)

Very Good

159 (31.8%)

Good

108 (21.6%)

Average

128 (25.6%)

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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