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

As of October 2026, 2.00 to 2.99ct D I1 natural round diamonds typically cost £6,505 GBP to £30,613 GBP, with a median price of £13,778 GBP. There are currently 72 diamonds matching this specification available across retailers.

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

About 20% of these diamonds are available at multiple retailers, with an average price spread of 62%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct D I1 Natural Round

Quick answer

As of October 2026, there are 72 natural round diamonds with D colour and I1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run £6,505 GBP to £30,613 GBP, with a median of £13,778 GBP. At least 26 retailers stock this exact specification, and 20% of the stones appear at more than one of them, with an average price spread of 62%. Half of all listings fall between £3,464 GBP and £6,523 GBP per carat. The same specification in lab grown form lists at a median of about £756 GBP per carat. Over the last 30 days the median price moved -4.3% and the number of listings moved +11.4%.

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. Round natural stones in the index: 2,248 USD per carat, +7.6% 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

£3,014 GBP

Highest Price

£42,304 GBP

Average Price

£16,682 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

20.3%

Price Spread

62.5%

30-Day Price Trend

-4.3%

30-Day Supply Change

+11.4%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$6,522/ct

10th Percentile

$3,269

Median

$6,522

90th Percentile

$11,235

Score Distribution

303 diamonds scored across 4 quality tiers

Excellent

35 (11.6%)

Very Good

47 (15.5%)

Good

24 (7.9%)

Average

197 (65.0%)

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Consider Instead

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

Lab-Grown D I1Same specifications, lab-grown origin

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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