How much does a 1.50 to 1.99ct K VS1 natural oval diamond cost?

As of November 6, 2026, 1.50 to 1.99ct K VS1 natural oval diamonds typically cost £1,903 GBP to £5,421 GBP, with a median price of £3,228 GBP. There are currently 342 diamonds matching this specification available across retailers.

Where can I find the best price on a K VS1 oval diamond?

About 45% of these diamonds are available at multiple retailers, with an average price spread of 56%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct K VS1 Natural Oval

Quick answer

As of November 6, 2026, there are 342 natural oval diamonds with K colour and VS1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run £1,903 GBP to £5,421 GBP, with a median of £3,228 GBP. Half of all listings fall between £1,596 GBP and £2,727 GBP per carat. The same specification in lab grown form lists at a median of about £984 GBP per carat. Over the last 30 days the median price moved -0.9% and the number of listings moved +9.0%.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, October 2026: natural diamonds at 2,202 USD per carat and lab-grown at 462 USD per carat, a natural to lab ratio of 4.8 to 1. Oval natural stones in the index: 2,512 USD per carat, -7.2% month on month. See the full index release

Figures come from current listings across more than 125 retailers. The index is a monthly release.

Last updated: November 6, 2026

Available

342

Lowest Price

£1,297 GBP

Highest Price

£11,740 GBP

Average Price

£3,519 GBP

Market Intelligence

Cross Retailer %

45.0%

Price Spread

55.9%

30-Day Price Trend

-0.9%

30-Day Supply Change

+9.0%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$2,711/ct

10th Percentile

$1,677

Median

$2,711

90th Percentile

$4,564

Score Distribution

342 diamonds scored across 4 quality tiers

Excellent

101 (29.5%)

Very Good

100 (29.2%)

Good

45 (13.2%)

Average

96 (28.1%)

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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