How much does a 1.00 to 1.49ct F SI1 lab grown round diamond cost?

As of September 2026, 1.00 to 1.49ct F SI1 lab grown round diamonds typically cost HK$1,419 HKD to HK$8,325 HKD, with a median price of HK$3,299 HKD. There are currently 929 diamonds matching this specification available across retailers.

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

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

1.00 to 1.49ct F SI1 Lab Grown Round

Quick answer

As of September 2026, there are 929 lab grown round diamonds with F colour and SI1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run HK$1,419 HKD to HK$8,325 HKD, with a median of HK$3,299 HKD. At least 39 retailers stock this exact specification. Half of all listings fall between HK$2,994 HKD and HK$37,947 HKD per carat. The same specification in natural form lists at a median of about HK$28,870 HKD 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

929

Lowest Price

HK$774 HKD

Highest Price

HK$92,749 HKD

Average Price

HK$5,178 HKD

Market Intelligence

Retailers Selling

Price Spread

422.9%

Price Range

Price per carat distribution across retailers

$1,054/ct

10th Percentile

$250

Median

$1,054

90th Percentile

$5,877

Score Distribution

929 diamonds scored across 4 quality tiers

Excellent

221 (23.8%)

Very Good

326 (35.1%)

Good

249 (26.8%)

Average

133 (14.3%)

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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