How much does a 3.00 to 4.99ct J VS1 lab grown asscher diamond cost?

As of September 2026, 3.00 to 4.99ct J VS1 lab grown asscher diamonds typically cost £3,102 GBP to £34,348 GBP, with a median price of £18,965 GBP. There are currently 4 diamonds matching this specification available across retailers.

Where can I find the best price on a J VS1 asscher diamond?

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3.00 to 4.99ct J VS1 Lab Grown Asscher

Quick answer

As of September 2026, there are 4 lab grown asscher diamonds with J colour and VS1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run £3,102 GBP to £34,348 GBP, with a median of £18,965 GBP. At least 6 retailers stock this exact specification. Half of all listings fall between £410 GBP and £795 GBP per carat. The same specification in natural form lists at a median of about £6,621 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. Asscher lab grown stones in the index: 526 USD per carat, +3.3% 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

Lowest Price

£2,362 GBP

Highest Price

£34,882 GBP

Average Price

£18,793 GBP

Market Intelligence

Retailers Selling

Price Spread

49.2%

Price Range

Price per carat distribution across retailers

$993/ct

10th Percentile

$245

Median

$993

90th Percentile

$1,219

Score Distribution

4 diamonds scored across 2 quality tiers

Good

2 (50.0%)

Average

2 (50.0%)

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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