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

As of October 2026, 0.75 to 0.99ct I VVS1 natural cushion diamonds typically cost £721 GBP to £1,840 GBP, with a median price of £1,027 GBP. There are currently 141 diamonds matching this specification available across retailers.

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

About 30% 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 I VVS1 Natural Cushion

Quick answer

As of October 2026, there are 141 natural cushion diamonds with I colour and VVS1 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run £721 GBP to £1,840 GBP, with a median of £1,027 GBP. At least 57 retailers stock this exact specification, and 30% of the stones appear at more than one of them, with an average price spread of 59%. Half of all listings fall between £1,080 GBP and £1,875 GBP per carat. The same specification in lab grown form lists at a median of about £625 GBP per carat. Over the last 30 days the median price moved -0.6% and the number of listings moved +1.7%.

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. Cushion natural stones in the index: 2,948 USD per carat, +1.7% 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

141

Lowest Price

£460 GBP

Highest Price

£3,903 GBP

Average Price

£1,135 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

29.6%

Price Spread

58.6%

30-Day Price Trend

-0.6%

30-Day Supply Change

+1.7%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$1,818/ct

10th Percentile

$1,227

Median

$1,818

90th Percentile

$3,348

Score Distribution

433 diamonds scored across 5 quality tiers

Exceptional

1 (0.2%)

Excellent

96 (22.2%)

Very Good

66 (15.2%)

Good

137 (31.6%)

Average

133 (30.7%)

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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

Save 19%

Lab-Grown I VVS1Same specifications, lab-grown origin

Save 54%

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