How much does a 2.00 to 2.99ct J I1 natural radiant diamond cost?

As of October 2026, 2.00 to 2.99ct J I1 natural radiant diamonds typically cost £6,206 GBP to £20,581 GBP, with a median price of £14,717 GBP. There are currently 7 diamonds matching this specification available across retailers.

Where can I find the best price on a J I1 radiant diamond?

About 3% of these diamonds are available at multiple retailers, with an average price spread of 68%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct J I1 Natural Radiant

Quick answer

As of October 2026, there are 7 natural radiant diamonds with J colour and I1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run £6,206 GBP to £20,581 GBP, with a median of £14,717 GBP. At least 16 retailers stock this exact specification, and 3% of the stones appear at more than one of them, with an average price spread of 68%. Half of all listings fall between £2,806 GBP and £4,887 GBP per carat. Over the last 30 days the median price moved -0.9% and the number of listings moved +1.9%.

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. Radiant natural stones in the index: 3,091 USD per carat, +13.2% 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

£4,456 GBP

Highest Price

£22,443 GBP

Average Price

£14,098 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

2.6%

Price Spread

67.8%

30-Day Price Trend

-0.9%

30-Day Supply Change

+1.9%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$4,090/ct

10th Percentile

$3,390

Median

$4,090

90th Percentile

$7,211

Score Distribution

156 diamonds scored across 4 quality tiers

Excellent

2 (1.3%)

Very Good

4 (2.6%)

Good

2 (1.3%)

Average

148 (94.9%)

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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