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

As of November 2026, 2.00 to 2.99ct H SI2 lab grown cushion diamonds typically cost €691 EUR to €4,544 EUR, with a median price of €1,140 EUR. There are currently 3 diamonds matching this specification available across retailers.

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

About 51% of these diamonds are available at multiple retailers, with an average price spread of 42%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct H SI2 Lab Grown Cushion

Quick answer

As of November 2026, there are 3 lab grown cushion diamonds with H color and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run €691 EUR to €4,544 EUR, with a median of €1,140 EUR. At least 11 retailers stock this exact specification, and 51% of the stones appear at more than one of them, with an average price spread of 42%. Half of all listings fall between €1,148 EUR and €1,858 EUR per carat. The same specification in natural form lists at a median of about €5,475 EUR per carat. Over the last 30 days the median price moved -0.1% and the number of listings moved -1.4%.

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: November 2026

Available

Lowest Price

€410 EUR

Highest Price

€7,100 EUR

Average Price

€2,125 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

50.9%

Price Spread

41.6%

30-Day Price Trend

-0.1%

30-Day Supply Change

-1.4%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$1,903/ct

10th Percentile

$525

Median

$1,903

90th Percentile

$3,625

Score Distribution

6 diamonds scored across 3 quality tiers

Excellent

2 (33.3%)

Good

2 (33.3%)

Average

2 (33.3%)

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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