How much does a 1.50 to 1.99ct G VVS1 lab grown radiant diamond cost?

As of October 2026, 1.50 to 1.99ct G VVS1 lab grown radiant diamonds typically cost £195 GBP to £1,588 GBP, with a median price of £658 GBP. There are currently 52 diamonds matching this specification available across retailers.

Where can I find the best price on a G VVS1 radiant diamond?

About 34% of these diamonds are available at multiple retailers, with an average price spread of 92%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct G VVS1 Lab Grown Radiant

Quick answer

As of October 2026, there are 52 lab grown radiant diamonds with G colour and VVS1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run £195 GBP to £1,588 GBP, with a median of £658 GBP. At least 52 retailers stock this exact specification, and 34% of the stones appear at more than one of them, with an average price spread of 92%. Half of all listings fall between £234 GBP and £608 GBP per carat. The same specification in natural form lists at a median of about £5,862 GBP per carat. Over the last 30 days the median price moved +12.2% and the number of listings moved +12.7%.

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. Radiant lab grown stones in the index: 474 USD per carat, -2.1% 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

Lowest Price

£150 GBP

Highest Price

£4,945 GBP

Average Price

£880 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

34.3%

Price Spread

92.4%

30-Day Price Trend

+12.2%

30-Day Supply Change

+12.7%

Volatility (30d)

0.05

Price Range

Price per carat distribution across retailers

$539/ct

10th Percentile

$182

Median

$539

90th Percentile

$1,147

Score Distribution

169 diamonds scored across 4 quality tiers

Excellent

28 (16.6%)

Very Good

19 (11.2%)

Good

35 (20.7%)

Average

87 (51.5%)

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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