How much does a 2.00 to 2.99ct G IF lab grown cushion diamond cost?

As of October 2026, 2.00 to 2.99ct G IF lab grown cushion diamonds typically cost £1,030 GBP to £5,751 GBP, with a median price of £2,236 GBP. There are currently 16 diamonds matching this specification available across retailers.

Where can I find the best price on a G IF cushion diamond?

About 29% of these diamonds are available at multiple retailers, with an average price spread of 94%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct G IF Lab Grown Cushion

Quick answer

As of October 2026, there are 16 lab grown cushion diamonds with G colour and IF clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run £1,030 GBP to £5,751 GBP, with a median of £2,236 GBP. At least 36 retailers stock this exact specification, and 29% of the stones appear at more than one of them, with an average price spread of 94%. Half of all listings fall between £644 GBP and £1,629 GBP per carat. The same specification in natural form lists at a median of about £9,667 GBP per carat. Over the last 30 days the median price moved -5.3% and the number of listings moved +4.1%.

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

£331 GBP

Highest Price

£11,594 GBP

Average Price

£2,691 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

29.1%

Price Spread

94.4%

30-Day Price Trend

-5.3%

30-Day Supply Change

+4.1%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$1,388/ct

10th Percentile

$488

Median

$1,388

90th Percentile

$3,349

Score Distribution

60 diamonds scored across 4 quality tiers

Excellent

14 (23.3%)

Very Good

13 (21.7%)

Good

21 (35.0%)

Average

12 (20.0%)

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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