How much does a 0.75 to 0.99ct I VVS1 natural marquise diamond cost?

As of November 2026, 0.75 to 0.99ct I VVS1 natural marquise diamonds typically cost £1,239 GBP to £4,656 GBP, with a median price of £2,489 GBP. There are currently 35 diamonds matching this specification available across retailers.

Where can I find the best price on a I VVS1 marquise diamond?

About 21% of these diamonds are available at multiple retailers, with an average price spread of 55%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct I VVS1 Natural Marquise

Quick answer

As of November 2026, there are 35 natural marquise diamonds with I colour and VVS1 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run £1,239 GBP to £4,656 GBP, with a median of £2,489 GBP. At least 56 retailers stock this exact specification, and 21% of the stones appear at more than one of them, with an average price spread of 55%. Half of all listings fall between £2,223 GBP and £3,714 GBP per carat. Over the last 30 days the median price moved -0.2% and the number of listings moved +16.6%.

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: November 2026

Available

Lowest Price

£958 GBP

Highest Price

£5,642 GBP

Average Price

£2,761 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

21.4%

Price Spread

55.0%

30-Day Price Trend

-0.2%

30-Day Supply Change

+16.6%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$3,634/ct

10th Percentile

$2,486

Median

$3,634

90th Percentile

$6,562

Score Distribution

112 diamonds scored across 4 quality tiers

Excellent

23 (20.5%)

Very Good

15 (13.4%)

Good

17 (15.2%)

Average

57 (50.9%)

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Consider Instead

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

J VVS1J colour is visually identical to I to the naked eye

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I VVS2VVS2 inclusions are not visible without magnification

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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