How much does a 1.50 to 1.99ct I VVS2 lab grown radiant diamond cost?

As of October 2026, 1.50 to 1.99ct I VVS2 lab grown radiant diamonds typically cost £274 GBP to £2,011 GBP, with a median price of £461 GBP. There are currently 35 diamonds matching this specification available across retailers.

Where can I find the best price on a I VVS2 radiant diamond?

About 29% of these diamonds are available at multiple retailers, with an average price spread of 90%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct I VVS2 Lab Grown Radiant

Quick answer

As of October 2026, there are 35 lab grown radiant diamonds with I colour and VVS2 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run £274 GBP to £2,011 GBP, with a median of £461 GBP. At least 37 retailers stock this exact specification, and 29% of the stones appear at more than one of them, with an average price spread of 90%. Half of all listings fall between £221 GBP and £547 GBP per carat. The same specification in natural form lists at a median of about £4,448 GBP per carat. Over the last 30 days the median price moved +5.0% and the number of listings moved +17.5%.

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

£191 GBP

Highest Price

£2,807 GBP

Average Price

£809 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

28.5%

Price Spread

90.3%

30-Day Price Trend

+5.0%

30-Day Supply Change

+17.5%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$481/ct

10th Percentile

$185

Median

$481

90th Percentile

$1,091

Score Distribution

74 diamonds scored across 4 quality tiers

Excellent

15 (20.3%)

Very Good

13 (17.6%)

Good

28 (37.8%)

Average

18 (24.3%)

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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