How much does a 0.20 to 0.49ct D VVS2 lab grown cushion diamond cost?

As of October 2026, 0.20 to 0.49ct D VVS2 lab grown cushion diamonds typically cost £97 GBP to £261 GBP, with a median price of £193 GBP. There are currently 356 diamonds matching this specification available across retailers.

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

About 37% of these diamonds are available at multiple retailers, with an average price spread of 92%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct D VVS2 Lab Grown Cushion

Quick answer

As of October 2026, there are 356 lab grown cushion diamonds with D colour and VVS2 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run £97 GBP to £261 GBP, with a median of £193 GBP. At least 12 retailers stock this exact specification, and 37% of the stones appear at more than one of them, with an average price spread of 92%. Half of all listings fall between £375 GBP and £830 GBP per carat. The same specification in natural form lists at a median of about £1,522 GBP per carat. Over the last 30 days the median price moved +17.4% and the number of listings moved +22.5%.

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

356

Lowest Price

£57 GBP

Highest Price

£942 GBP

Average Price

£187 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

36.8%

Price Spread

91.6%

30-Day Price Trend

+17.4%

30-Day Supply Change

+22.5%

Volatility (30d)

0.05

Price Range

Price per carat distribution across retailers

$661/ct

10th Percentile

$437

Median

$661

90th Percentile

$1,390

Score Distribution

1.1K diamonds scored across 4 quality tiers

Excellent

362 (33.2%)

Very Good

235 (21.6%)

Good

337 (30.9%)

Average

156 (14.3%)

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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