How much does a 2.00 to 2.99ct F SI1 lab grown round diamond cost?

As of September 2026, 2.00 to 2.99ct F SI1 lab grown round diamonds typically cost $539 AUD to $2,635 AUD, with a median price of $1,151 AUD. There are currently 1,185 diamonds matching this specification available across retailers.

Where can I find the best price on a F SI1 round diamond?

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2.00 to 2.99ct F SI1 Lab Grown Round

Quick answer

As of September 2026, there are 1,185 lab grown round diamonds with F colour and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $539 AUD to $2,635 AUD, with a median of $1,151 AUD. At least 38 retailers stock this exact specification. Half of all listings fall between $390 AUD and $922 AUD per carat. The same specification in natural form lists at a median of about $14,954 AUD 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 lab grown stones in the index: 438 USD per carat, -14.1% 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

1,185

Lowest Price

$268 AUD

Highest Price

$41,841 AUD

Average Price

$1,736 AUD

Market Intelligence

Retailers Selling

Price Spread

105.5%

Price Range

Price per carat distribution across retailers

$359/ct

10th Percentile

$230

Median

$359

90th Percentile

$925

Score Distribution

1.2K diamonds scored across 4 quality tiers

Excellent

208 (17.6%)

Very Good

197 (16.6%)

Good

256 (21.6%)

Average

524 (44.2%)

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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