How much does a 5.00ct+ H VS1 lab grown cushion diamond cost?

As of October 2026, 5.00ct+ H VS1 lab grown cushion diamonds typically cost £646 GBP to £9,373 GBP, with a median price of £3,179 GBP. There are currently 199 diamonds matching this specification available across retailers.

Where can I find the best price on a H VS1 cushion diamond?

About 35% of these diamonds are available at multiple retailers, with an average price spread of 84%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ H VS1 Lab Grown Cushion

Quick answer

As of October 2026, there are 199 lab grown cushion diamonds with H colour and VS1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run £646 GBP to £9,373 GBP, with a median of £3,179 GBP. At least 22 retailers stock this exact specification, and 35% of the stones appear at more than one of them, with an average price spread of 84%. Half of all listings fall between £278 GBP and £637 GBP per carat. The same specification in natural form lists at a median of about £13,533 GBP per carat. Over the last 30 days the median price moved +1.2% and the number of listings moved +10.2%.

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

199

Lowest Price

£449 GBP

Highest Price

£111,223 GBP

Average Price

£4,699 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

35.3%

Price Spread

83.7%

30-Day Price Trend

+1.2%

30-Day Supply Change

+10.2%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$575/ct

10th Percentile

$315

Median

$575

90th Percentile

$1,330

Score Distribution

479 diamonds scored across 4 quality tiers

Excellent

132 (27.6%)

Very Good

82 (17.1%)

Good

53 (11.1%)

Average

212 (44.3%)

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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