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

As of September 2026, 5.00ct+ H VS1 lab grown round diamonds typically cost £731 GBP to £8,848 GBP, with a median price of £4,116 GBP. There are currently 716 diamonds matching this specification available across retailers.

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

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5.00ct+ H VS1 Lab Grown Round

Quick answer

As of September 2026, there are 716 lab grown round diamonds with H colour and VS1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run £731 GBP to £8,848 GBP, with a median of £4,116 GBP. At least 24 retailers stock this exact specification. Half of all listings fall between £446 GBP and £1,058 GBP per carat. The same specification in natural form lists at a median of about £22,031 GBP per carat.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Round lab grown stones in the index: 438 USD per carat, -14.1% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

716

Lowest Price

£375 GBP

Highest Price

£444,726 GBP

Average Price

£6,541 GBP

Market Intelligence

Retailers Selling

Price Spread

94.5%

Price Range

Price per carat distribution across retailers

$875/ct

10th Percentile

$357

Median

$875

90th Percentile

$1,993

Score Distribution

716 diamonds scored across 4 quality tiers

Excellent

149 (20.8%)

Very Good

208 (29.1%)

Good

281 (39.2%)

Average

78 (10.9%)

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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