How much does a 1.50 to 1.99ct J VS2 lab grown round diamond cost?

As of October 2026, 1.50 to 1.99ct J VS2 lab grown round diamonds typically cost £874 GBP to £1,610 GBP, with a median price of £1,257 GBP. There are currently 306 diamonds matching this specification available across retailers.

Where can I find the best price on a J VS2 round diamond?

About 40% of these diamonds are available at multiple retailers, with an average price spread of 76%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct J VS2 Lab Grown Round

Quick answer

As of October 2026, there are 306 lab grown round diamonds with J colour and VS2 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run £874 GBP to £1,610 GBP, with a median of £1,257 GBP. At least 21 retailers stock this exact specification, and 40% of the stones appear at more than one of them, with an average price spread of 76%. Half of all listings fall between £687 GBP and £1,292 GBP per carat. The same specification in natural form lists at a median of about £2,632 GBP per carat. Over the last 30 days the median price moved -6.5% and the number of listings moved +1.7%.

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. Round lab grown stones in the index: 414 USD per carat, -5.0% 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

306

Lowest Price

£178 GBP

Highest Price

£4,107 GBP

Average Price

£1,236 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

39.9%

Price Spread

76.3%

30-Day Price Trend

-6.5%

30-Day Supply Change

+1.7%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$1,052/ct

10th Percentile

$815

Median

$1,052

90th Percentile

$2,391

Score Distribution

703 diamonds scored across 4 quality tiers

Excellent

270 (38.4%)

Very Good

17 (2.4%)

Good

259 (36.8%)

Average

157 (22.3%)

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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