How much does a 3.00 to 4.99ct I VS1 natural asscher diamond cost?

As of October 2026, 3.00 to 4.99ct I VS1 natural asscher diamonds typically cost £17,732 GBP to £33,194 GBP, with a median price of £22,060 GBP. There are currently 42 diamonds matching this specification available across retailers.

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

About 37% of these diamonds are available at multiple retailers, with an average price spread of 28%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct I VS1 Natural Asscher

Quick answer

As of October 2026, there are 42 natural asscher diamonds with I colour and VS1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run £17,732 GBP to £33,194 GBP, with a median of £22,060 GBP. At least 53 retailers stock this exact specification, and 37% of the stones appear at more than one of them, with an average price spread of 28%. Half of all listings fall between £7,199 GBP and £9,475 GBP per carat. The same specification in lab grown form lists at a median of about £609 GBP per carat. Over the last 30 days the median price moved -1.9% and the number of listings moved +13.3%.

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. Asscher natural stones in the index: 2,504 USD per carat, -3.3% 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

£15,992 GBP

Highest Price

£80,733 GBP

Average Price

£24,317 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

36.6%

Price Spread

28.1%

30-Day Price Trend

-1.9%

30-Day Supply Change

+13.3%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$10,772/ct

10th Percentile

$8,677

Median

$10,772

90th Percentile

$14,818

Score Distribution

78 diamonds scored across 4 quality tiers

Excellent

26 (33.3%)

Very Good

19 (24.4%)

Good

14 (17.9%)

Average

19 (24.4%)

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Consider Instead

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

J VS1J colour is visually identical to I to the naked eye

Save 26%

Lab-Grown I VS1Same specifications, lab-grown origin

Save 92%

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