How much does a 0.75 to 0.99ct D IF natural marquise diamond cost?

As of October 2026, 0.75 to 0.99ct D IF natural marquise diamonds typically cost £2,026 GBP to £4,817 GBP, with a median price of £3,308 GBP. There are currently 30 diamonds matching this specification available across retailers.

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

About 25% of these diamonds are available at multiple retailers, with an average price spread of 43%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct D IF Natural Marquise

Quick answer

As of October 2026, there are 30 natural marquise diamonds with D colour and IF clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run £2,026 GBP to £4,817 GBP, with a median of £3,308 GBP. At least 47 retailers stock this exact specification, and 25% of the stones appear at more than one of them, with an average price spread of 43%. Half of all listings fall between £3,204 GBP and £4,840 GBP per carat. The same specification in lab grown form lists at a median of about £539 GBP per carat. Over the last 30 days the median price moved -0.3% and the number of listings moved +5.3%.

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. 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

£1,788 GBP

Highest Price

£8,088 GBP

Average Price

£3,498 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

25.4%

Price Spread

43.1%

30-Day Price Trend

-0.3%

30-Day Supply Change

+5.3%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$5,092/ct

10th Percentile

$3,527

Median

$5,092

90th Percentile

$8,264

Score Distribution

78 diamonds scored across 5 quality tiers

Exceptional

2 (2.6%)

Excellent

16 (20.5%)

Very Good

18 (23.1%)

Good

21 (26.9%)

Average

21 (26.9%)

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Lab-Grown D IFSame specifications, lab-grown origin

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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