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

As of September 2026, 2.00 to 2.99ct J SI2 natural round diamonds typically cost $7,227 SGD to $21,547 SGD, with a median price of $12,645 SGD. There are currently 2,248 diamonds matching this specification available across retailers.

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

Compare prices across retailers on Carat Hunter to see all your options.

2.00 to 2.99ct J SI2 Natural Round

Quick answer

As of September 2026, there are 2,248 natural round diamonds with J colour and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $7,227 SGD to $21,547 SGD, with a median of $12,645 SGD. At least 49 retailers stock this exact specification. Half of all listings fall between $4,463 SGD and $7,119 SGD per carat. The same specification in lab grown form lists at a median of about $2,520 SGD 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. 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

2,248

Lowest Price

$2,596 SGD

Highest Price

$130,044 SGD

Average Price

$13,967 SGD

Market Intelligence

Retailers Selling

Price Spread

45.5%

Price Range

Price per carat distribution across retailers

$4,382/ct

10th Percentile

$2,581

Median

$4,382

90th Percentile

$6,339

Score Distribution

2.2K diamonds scored across 4 quality tiers

Excellent

277 (12.3%)

Very Good

828 (36.8%)

Good

642 (28.6%)

Average

501 (22.3%)

Find Your Diamond

Search 2,248 J SI2 round diamonds and compare prices.

Search Diamonds

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

Save 5%

Lab-Grown J SI2Same specifications, lab-grown origin

Save 57%

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