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

As of October 2026, 0.75 to 0.99ct J VS1 natural cushion diamonds typically cost £606 GBP to £1,753 GBP, with a median price of £967 GBP. There are currently 173 diamonds matching this specification available across retailers.

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

About 29% of these diamonds are available at multiple retailers, with an average price spread of 63%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct J VS1 Natural Cushion

Quick answer

As of October 2026, there are 173 natural cushion diamonds with J colour and VS1 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run £606 GBP to £1,753 GBP, with a median of £967 GBP. At least 51 retailers stock this exact specification, and 29% of the stones appear at more than one of them, with an average price spread of 63%. Half of all listings fall between £950 GBP and £1,744 GBP per carat. The same specification in lab grown form lists at a median of about £766 GBP per carat. Over the last 30 days the median price moved +0.4% and the number of listings moved +4.2%.

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

173

Lowest Price

£402 GBP

Highest Price

£3,879 GBP

Average Price

£1,109 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

29.0%

Price Spread

63.4%

30-Day Price Trend

+0.4%

30-Day Supply Change

+4.2%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$1,664/ct

10th Percentile

$1,003

Median

$1,664

90th Percentile

$3,014

Score Distribution

520 diamonds scored across 4 quality tiers

Excellent

73 (14.0%)

Very Good

95 (18.3%)

Good

188 (36.2%)

Average

164 (31.5%)

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Consider Instead

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

Lab-Grown J VS1Same specifications, lab-grown origin

Save 39%

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