How much does a 0.50 to 0.74ct I VVS1 lab grown heart diamond cost?

As of October 2026, 0.50 to 0.74ct I VVS1 lab grown heart diamonds typically cost HK$4,443 HKD to HK$5,825 HKD, with a median price of HK$5,134 HKD. There are currently 2 diamonds matching this specification available across retailers.

Where can I find the best price on a I VVS1 heart diamond?

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0.50 to 0.74ct I VVS1 Lab Grown Heart

Quick answer

As of October 2026, there are 2 lab grown heart diamonds with I colour and VVS1 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run HK$4,443 HKD to HK$5,825 HKD, with a median of HK$5,134 HKD. The same specification in natural form lists at a median of about HK$11,468 HKD per carat.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, September 2026: natural diamonds at 2,335 USD per carat and lab-grown at 443 USD per carat, a natural to lab ratio of 5.3 to 1. Heart lab grown stones in the index: 421 USD per carat, -1.8% month on month. See the full index release

Figures come from current listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: October 2026

Available

Lowest Price

HK$4,270 HKD

Highest Price

HK$10,926 HKD

Average Price

HK$5,134 HKD

Score Distribution

2 diamonds scored across 1 quality tiers

Excellent

2 (100.0%)

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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