How much does a 3.00 to 4.99ct F SI1 lab grown oval diamond cost?

As of September 2026, 3.00 to 4.99ct F SI1 lab grown oval diamonds typically cost $1,168 NZD to $5,946 NZD, with a median price of $2,100 NZD. There are currently 773 diamonds matching this specification available across retailers.

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

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

3.00 to 4.99ct F SI1 Lab Grown Oval

Quick answer

As of September 2026, there are 773 lab grown oval diamonds with F colour and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $1,168 NZD to $5,946 NZD, with a median of $2,100 NZD. At least 30 retailers stock this exact specification. Half of all listings fall between $487 NZD and $1,436 NZD per carat. The same specification in natural form lists at a median of about $30,768 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. 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

773

Lowest Price

$498 NZD

Highest Price

$142,113 NZD

Average Price

$3,196 NZD

Market Intelligence

Retailers Selling

Price Spread

143.2%

Price Range

Price per carat distribution across retailers

$382/ct

10th Percentile

$227

Median

$382

90th Percentile

$1,086

Score Distribution

772 diamonds scored across 4 quality tiers

Excellent

104 (13.5%)

Very Good

183 (23.7%)

Good

154 (19.9%)

Average

331 (42.9%)

Find Your Diamond

Search 773 F SI1 oval diamonds and compare prices.

Search Diamonds

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