How much does a 1.50 to 1.99ct J VS1 natural round diamond cost?

As of October 2026, 1.50 to 1.99ct J VS1 natural round diamonds typically cost £2,964 GBP to £8,342 GBP, with a median price of £4,682 GBP. There are currently 946 diamonds matching this specification available across retailers.

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

About 42% of these diamonds are available at multiple retailers, with an average price spread of 50%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct J VS1 Natural Round

Quick answer

As of October 2026, there are 946 natural round diamonds with J colour and VS1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run £2,964 GBP to £8,342 GBP, with a median of £4,682 GBP. At least 63 retailers stock this exact specification, and 42% of the stones appear at more than one of them, with an average price spread of 50%. Half of all listings fall between £2,197 GBP and £3,593 GBP per carat. The same specification in lab grown form lists at a median of about £836 GBP per carat. Over the last 30 days the median price moved -2.3% and the number of listings moved +17.3%.

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 natural stones in the index: 2,248 USD per carat, +7.6% 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

946

Lowest Price

£1,837 GBP

Highest Price

£13,686 GBP

Average Price

£5,225 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

41.8%

Price Spread

49.8%

30-Day Price Trend

-2.3%

30-Day Supply Change

+17.3%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$3,738/ct

10th Percentile

$2,333

Median

$3,738

90th Percentile

$5,985

Score Distribution

2.4K diamonds scored across 4 quality tiers

Excellent

419 (17.3%)

Very Good

622 (25.7%)

Good

571 (23.6%)

Average

807 (33.4%)

Find Your Diamond

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

J VS2VS2 inclusions are not visible without magnification

Save 6%

Lab-Grown J VS1Same specifications, lab-grown origin

Save 70%

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