How much does a 5.00ct+ I VVS1 natural cushion diamond cost?

As of October 2026, 5.00ct+ I VVS1 natural cushion diamonds typically cost £76,451 GBP to £134,481 GBP, with a median price of £131,044 GBP. There are currently 2 diamonds matching this specification available across retailers.

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

About 35% of these diamonds are available at multiple retailers, with an average price spread of 36%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ I VVS1 Natural Cushion

Quick answer

As of October 2026, there are 2 natural cushion diamonds with I colour and VVS1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run £76,451 GBP to £134,481 GBP, with a median of £131,044 GBP. At least 25 retailers stock this exact specification, and 35% of the stones appear at more than one of them, with an average price spread of 36%. Half of all listings fall between £12,166 GBP and £17,148 GBP per carat. The same specification in lab grown form lists at a median of about £1,141 GBP per carat. Over the last 30 days the median price moved +6.6% and the number of listings moved +6.3%.

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. 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

Lowest Price

£62,803 GBP

Highest Price

£135,340 GBP

Average Price

£109,729 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

34.8%

Price Spread

35.9%

30-Day Price Trend

+6.6%

30-Day Supply Change

+6.3%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$18,480/ct

10th Percentile

$15,170

Median

$18,480

90th Percentile

$28,613

Score Distribution

3 diamonds scored across 2 quality tiers

Very Good

1 (33.3%)

Good

2 (66.7%)

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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