How much does a 0.20 to 0.49ct D VVS1 lab grown cushion diamond cost?

As of October 2026, 0.20 to 0.49ct D VVS1 lab grown cushion diamonds typically cost £104 GBP to £296 GBP, with a median price of £220 GBP. There are currently 154 diamonds matching this specification available across retailers.

Where can I find the best price on a D VVS1 cushion diamond?

About 33% of these diamonds are available at multiple retailers, with an average price spread of 99%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct D VVS1 Lab Grown Cushion

Quick answer

As of October 2026, there are 154 lab grown cushion diamonds with D colour and VVS1 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run £104 GBP to £296 GBP, with a median of £220 GBP. At least 5 retailers stock this exact specification, and 33% of the stones appear at more than one of them, with an average price spread of 99%. Half of all listings fall between £407 GBP and £989 GBP per carat. The same specification in natural form lists at a median of about £1,581 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

154

Lowest Price

£59 GBP

Highest Price

£885 GBP

Average Price

£214 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

33.3%

Price Spread

99.0%

30-Day Price Trend

+17.4%

30-Day Supply Change

+22.5%

Volatility (30d)

0.05

Price Range

Price per carat distribution across retailers

$783/ct

10th Percentile

$350

Median

$783

90th Percentile

$1,583

Score Distribution

500 diamonds scored across 4 quality tiers

Excellent

160 (32.0%)

Very Good

59 (11.8%)

Good

189 (37.8%)

Average

92 (18.4%)

Find Your Diamond

Search 154 D VVS1 cushion diamonds and compare prices.

Search Diamonds

Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

D VVS2VVS2 inclusions are not visible without magnification

Save 16%

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