How much does a 2.00 to 2.99ct J SI2 natural radiant diamond cost?

As of September 2026, 2.00 to 2.99ct J SI2 natural radiant diamonds typically cost $9,894 NZD to $27,742 NZD, with a median price of $16,566 NZD. There are currently 323 diamonds matching this specification available across retailers.

Where can I find the best price on a J SI2 radiant diamond?

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2.00 to 2.99ct J SI2 Natural Radiant

Quick answer

As of September 2026, there are 323 natural radiant diamonds with J colour and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $9,894 NZD to $27,742 NZD, with a median of $16,566 NZD. At least 42 retailers stock this exact specification. Half of all listings fall between $5,622 NZD and $9,406 NZD per carat. The same specification in lab grown form lists at a median of about $5,123 NZD per carat.

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. Radiant natural stones in the index: 2,765 USD per carat, +6.0% 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

323

Lowest Price

$4,450 NZD

Highest Price

$54,045 NZD

Average Price

$18,029 NZD

Market Intelligence

Retailers Selling

Price Spread

50.4%

Price Range

Price per carat distribution across retailers

$4,374/ct

10th Percentile

$2,642

Median

$4,374

90th Percentile

$6,232

Score Distribution

323 diamonds scored across 4 quality tiers

Excellent

27 (8.4%)

Very Good

110 (34.1%)

Good

73 (22.6%)

Average

113 (35.0%)

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Consider Instead

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

J I1I1 inclusions are not visible without magnification

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Lab-Grown J SI2Same 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