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

As of September 2026, 2.00 to 2.99ct J I1 natural round diamonds typically cost £3,105 GBP to £11,966 GBP, with a median price of £6,771 GBP. There are currently 500 diamonds matching this specification available across retailers.

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

About 55% of these diamonds are available at multiple retailers, with an average price spread of 61%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct J I1 Natural Round

Quick answer

As of September 2026, there are 500 natural round diamonds with J colour and I1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run £3,105 GBP to £11,966 GBP, with a median of £6,771 GBP. At least 27 retailers stock this exact specification, and 55% of the stones appear at more than one of them, with an average price spread of 61%. Half of all listings fall between £2,061 GBP and £3,978 GBP per carat. The same specification in lab grown form lists at a median of about £1,938 GBP per carat. Over the last 30 days the median price moved -4.2% and the number of listings moved +2.9%.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Round natural stones in the index: 2,094 USD per carat, -3.8% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

500

Lowest Price

£1,480 GBP

Highest Price

£65,971 GBP

Average Price

£7,459 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

55.4%

Price Spread

61.0%

30-Day Price Trend

-4.2%

30-Day Supply Change

+2.9%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$4,234/ct

10th Percentile

$1,911

Median

$4,234

90th Percentile

$6,236

Score Distribution

500 diamonds scored across 4 quality tiers

Excellent

19 (3.8%)

Very Good

176 (35.2%)

Good

146 (29.2%)

Average

159 (31.8%)

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Consider Instead

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

Lab-Grown J I1Same specifications, lab-grown origin

Save 44%

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