How much does a 1.00 to 1.49ct G VVS2 lab grown cushion diamond cost?

As of October 2026, 1.00 to 1.49ct G VVS2 lab grown cushion diamonds typically cost £150 GBP to £652 GBP, with a median price of £408 GBP. There are currently 463 diamonds matching this specification available across retailers.

Where can I find the best price on a G VVS2 cushion diamond?

About 33% of these diamonds are available at multiple retailers, with an average price spread of 75%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct G VVS2 Lab Grown Cushion

Quick answer

As of October 2026, there are 463 lab grown cushion diamonds with G colour and VVS2 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £150 GBP to £652 GBP, with a median of £408 GBP. At least 55 retailers stock this exact specification, and 33% of the stones appear at more than one of them, with an average price spread of 75%. Half of all listings fall between £263 GBP and £549 GBP per carat. The same specification in natural form lists at a median of about £3,092 GBP per carat. Over the last 30 days the median price moved +7.3% and the number of listings moved +11.8%.

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

463

Lowest Price

£119 GBP

Highest Price

£1,821 GBP

Average Price

£402 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

32.7%

Price Spread

75.5%

30-Day Price Trend

+7.3%

30-Day Supply Change

+11.8%

Volatility (30d)

0.04

Price Range

Price per carat distribution across retailers

$507/ct

10th Percentile

$252

Median

$507

90th Percentile

$1,029

Score Distribution

1.2K diamonds scored across 4 quality tiers

Excellent

295 (24.7%)

Very Good

222 (18.6%)

Good

232 (19.4%)

Average

444 (37.2%)

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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