How much does a 1.00 to 1.49ct D IF lab grown radiant diamond cost?

As of September 2026, 1.00 to 1.49ct D IF lab grown radiant diamonds typically cost HK$1,578 HKD to HK$20,890 HKD, with a median price of HK$4,253 HKD. There are currently 2,032 diamonds matching this specification available across retailers.

Where can I find the best price on a D IF radiant diamond?

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1.00 to 1.49ct D IF Lab Grown Radiant

Quick answer

As of September 2026, there are 2,032 lab grown radiant diamonds with D colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run HK$1,578 HKD to HK$20,890 HKD, with a median of HK$4,253 HKD. At least 41 retailers stock this exact specification. Half of all listings fall between HK$3,326 HKD and HK$8,473 HKD per carat. The same specification in natural form lists at a median of about HK$55,638 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. Radiant lab grown stones in the index: 473 USD per carat, -12.5% 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

2,032

Lowest Price

HK$1,020 HKD

Highest Price

HK$51,225 HKD

Average Price

HK$8,370 HKD

Market Intelligence

Retailers Selling

Price Spread

106.5%

Price Range

Price per carat distribution across retailers

$616/ct

10th Percentile

$317

Median

$616

90th Percentile

$1,797

Score Distribution

2.0K diamonds scored across 5 quality tiers

Exceptional

3 (0.1%)

Excellent

688 (33.9%)

Very Good

474 (23.3%)

Good

321 (15.8%)

Average

546 (26.9%)

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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