How much does a 2.00 to 2.99ct I SI2 lab grown heart diamond cost?

As of October 2026, 2.00 to 2.99ct I SI2 lab grown heart diamonds typically cost HK$14,673 HKD to HK$68,350 HKD, with a median price of HK$30,032 HKD. There are currently 9 diamonds matching this specification available across retailers.

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

About 26% of these diamonds are available at multiple retailers, with an average price spread of 44%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct I SI2 Lab Grown Heart

Quick answer

As of October 2026, there are 9 lab grown heart diamonds with I colour and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run HK$14,673 HKD to HK$68,350 HKD, with a median of HK$30,032 HKD. At least 11 retailers stock this exact specification, and 26% of the stones appear at more than one of them, with an average price spread of 44%. Half of all listings fall between HK$9,775 HKD and HK$14,335 HKD per carat. The same specification in natural form lists at a median of about HK$36,553 HKD per carat. Over the last 30 days the median price moved 0.0% and the number of listings moved +18.5%.

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. Heart lab grown stones in the index: 421 USD per carat, -1.8% 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: October 2026

Available

Lowest Price

HK$6,434 HKD

Highest Price

HK$142,404 HKD

Average Price

HK$35,368 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

26.3%

Price Spread

43.8%

30-Day Price Trend

0.0%

30-Day Supply Change

+18.5%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$1,328/ct

10th Percentile

$1,061

Median

$1,328

90th Percentile

$2,075

Score Distribution

13 diamonds scored across 4 quality tiers

Excellent

3 (23.1%)

Very Good

2 (15.4%)

Good

2 (15.4%)

Average

6 (46.2%)

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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