How much does a 2.00 to 2.99ct J SI2 lab grown cushion diamond cost?

As of October 2026, 2.00 to 2.99ct J SI2 lab grown cushion diamonds typically cost $1,176 SGD to $4,469 SGD, with a median price of $2,919 SGD. There are currently 25 diamonds matching this specification available across retailers.

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

About 49% of these diamonds are available at multiple retailers, with an average price spread of 43%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct J SI2 Lab Grown Cushion

Quick answer

As of October 2026, there are 25 lab grown cushion diamonds with J colour and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $1,176 SGD to $4,469 SGD, with a median of $2,919 SGD. At least 8 retailers stock this exact specification, and 49% of the stones appear at more than one of them, with an average price spread of 43%. Half of all listings fall between $1,381 SGD and $2,300 SGD per carat. The same specification in natural form lists at a median of about $5,323 SGD per carat. Over the last 30 days the median price moved -13.4% and the number of listings moved +13.5%.

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. Cushion lab grown stones in the index: 516 USD per carat, +6.9% 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

$1,151 SGD

Highest Price

$8,662 SGD

Average Price

$2,973 SGD

Market Intelligence

Retailers Selling

Cross Retailer %

49.1%

Price Spread

43.0%

30-Day Price Trend

-13.4%

30-Day Supply Change

+13.5%

Volatility (30d)

0.04

Price Range

Price per carat distribution across retailers

$1,674/ct

10th Percentile

$686

Median

$1,674

90th Percentile

$3,200

Score Distribution

44 diamonds scored across 3 quality tiers

Excellent

20 (45.5%)

Very Good

5 (11.4%)

Average

19 (43.2%)

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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