How much does a 0.75 to 0.99ct J VS1 natural marquise diamond cost?

As of October 2026, 0.75 to 0.99ct J VS1 natural marquise diamonds typically cost £883 GBP to £3,073 GBP, with a median price of £1,775 GBP. There are currently 39 diamonds matching this specification available across retailers.

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

About 29% of these diamonds are available at multiple retailers, with an average price spread of 59%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct J VS1 Natural Marquise

Quick answer

As of October 2026, there are 39 natural marquise diamonds with J colour and VS1 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run £883 GBP to £3,073 GBP, with a median of £1,775 GBP. At least 50 retailers stock this exact specification, and 29% of the stones appear at more than one of them, with an average price spread of 59%. Half of all listings fall between £1,211 GBP and £2,144 GBP per carat. Over the last 30 days the median price moved -0.5% and the number of listings moved +14.4%.

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. Marquise natural stones in the index: 2,268 USD per carat, +10.8% 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

£426 GBP

Highest Price

£4,582 GBP

Average Price

£1,912 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

28.6%

Price Spread

59.2%

30-Day Price Trend

-0.5%

30-Day Supply Change

+14.4%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$2,109/ct

10th Percentile

$1,308

Median

$2,109

90th Percentile

$3,833

Score Distribution

140 diamonds scored across 4 quality tiers

Excellent

13 (9.3%)

Very Good

26 (18.6%)

Good

16 (11.4%)

Average

85 (60.7%)

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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