How much does a 2.00 to 2.99ct J I1 lab grown cushion diamond cost?

As of September 2026, 2.00 to 2.99ct J I1 lab grown cushion diamonds typically cost $11,290 SGD to $13,601 SGD, with a median price of $11,751 SGD. There are currently 38 diamonds matching this specification available across retailers.

Where can I find the best price on a J I1 cushion diamond?

Compare prices across retailers on Carat Hunter to see all your options.

2.00 to 2.99ct J I1 Lab Grown Cushion

Quick answer

As of September 2026, there are 38 lab grown cushion diamonds with J colour and I1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $11,290 SGD to $13,601 SGD, with a median of $11,751 SGD. At least 9 retailers stock this exact specification. Half of all listings fall between $3,425 SGD and $5,271 SGD per carat. The same specification in natural form lists at a median of about $7,185 SGD per carat.

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

2.01ct Cushion J I1, IGI, score 61 of 100, from $3,217 SGD

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. Cushion lab grown stones in the index: 466 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

$3,217 SGD

Highest Price

$14,813 SGD

Average Price

$12,030 SGD

Market Intelligence

Retailers Selling

Cross Retailer %

0.0%

Price Spread

36.0%

Price Range

Price per carat distribution across retailers

$4,030/ct

10th Percentile

$1,195

Median

$4,030

90th Percentile

$4,328

Score Distribution

38 diamonds scored across 2 quality tiers

Good

4 (10.5%)

Average

34 (89.5%)

Find Your Diamond

Search 38 J I1 cushion diamonds and compare prices.

Search Diamonds

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