How much does a 2.00 to 2.99ct J I1 lab grown oval diamond cost?

As of September 2026, 2.00 to 2.99ct J I1 lab grown oval diamonds typically cost $6,913 SGD to $13,157 SGD, with a median price of $8,644 SGD. There are currently 159 diamonds matching this specification available across retailers.

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

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2.00 to 2.99ct J I1 Lab Grown Oval

Quick answer

As of September 2026, there are 159 lab grown oval diamonds with J colour and I1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $6,913 SGD to $13,157 SGD, with a median of $8,644 SGD. At least 4 retailers stock this exact specification. Half of all listings fall between $3,400 SGD and $4,150 SGD per carat. The same specification in natural form lists at a median of about $6,273 SGD per carat. Over the last 30 days the median price moved -20.0% and the number of listings moved -6.9%.

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

2.51ct Oval J I1, IGI, score 74 of 100, from $4,173 SGD

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. Oval lab grown stones in the index: 487 USD per carat, -11.2% 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

159

Lowest Price

$2,144 SGD

Highest Price

$19,495 SGD

Average Price

$9,393 SGD

Market Intelligence

Retailers Selling

Cross Retailer %

0.0%

Price Spread

22.0%

30-Day Price Trend

-20.0%

30-Day Supply Change

-6.9%

Volatility (30d)

0.15

Price Range

Price per carat distribution across retailers

$2,555/ct

10th Percentile

$2,538

Median

$2,555

90th Percentile

$3,119

Score Distribution

159 diamonds scored across 3 quality tiers

Very Good

2 (1.3%)

Good

125 (78.6%)

Average

32 (20.1%)

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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