How much does a 1.50 to 1.99ct D VS1 lab grown round diamond cost?

As of October 2026, 1.50 to 1.99ct D VS1 lab grown round diamonds typically cost £179 GBP to £1,125 GBP, with a median price of £425 GBP. There are currently 18,065 diamonds matching this specification available across retailers.

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

About 48% of these diamonds are available at multiple retailers, with an average price spread of 100%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct D VS1 Lab Grown Round

Quick answer

As of October 2026, there are 18,065 lab grown round diamonds with D colour and VS1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run £179 GBP to £1,125 GBP, with a median of £425 GBP. At least 62 retailers stock this exact specification, and 48% of the stones appear at more than one of them, with an average price spread of 100%. Half of all listings fall between £191 GBP and £487 GBP per carat. The same specification in natural form lists at a median of about £7,496 GBP per carat. Over the last 30 days the median price moved +4.9% and the number of listings moved -3.4%.

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

18,065

Lowest Price

£144 GBP

Highest Price

£2,704 GBP

Average Price

£557 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

48.1%

Price Spread

100.2%

30-Day Price Trend

+4.9%

30-Day Supply Change

-3.4%

Volatility (30d)

0.06

Price Range

Price per carat distribution across retailers

$392/ct

10th Percentile

$166

Median

$392

90th Percentile

$810

Score Distribution

32.8K diamonds scored across 5 quality tiers

Exceptional

2 (0.0%)

Excellent

14,111 (43.0%)

Very Good

4,462 (13.6%)

Good

7,245 (22.1%)

Average

6,978 (21.3%)

Find Your Diamond

Search 18,065 D VS1 round diamonds and compare prices.

Search Diamonds

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