How much does a 5.00ct+ H IF lab grown radiant diamond cost?

As of September 2026, 5.00ct+ H IF lab grown radiant diamonds typically cost HK$38,856 HKD to HK$112,099 HKD, with a median price of HK$68,279 HKD. There are currently 4 diamonds matching this specification available across retailers.

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

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5.00ct+ H IF Lab Grown Radiant

Quick answer

As of September 2026, there are 4 lab grown radiant diamonds with H colour and IF clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run HK$38,856 HKD to HK$112,099 HKD, with a median of HK$68,279 HKD. At least 12 retailers stock this exact specification. Half of all listings fall between HK$10,301 HKD and HK$18,762 HKD per carat. The same specification in natural form lists at a median of about HK$186,597 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

Lowest Price

HK$38,571 HKD

Highest Price

HK$198,546 HKD

Average Price

HK$73,421 HKD

Market Intelligence

Retailers Selling

Price Spread

61.6%

Price Range

Price per carat distribution across retailers

$1,750/ct

10th Percentile

$1,101

Median

$1,750

90th Percentile

$3,781

Score Distribution

4 diamonds scored across 2 quality tiers

Excellent

2 (50.0%)

Good

2 (50.0%)

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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