How much does a 0.75 to 0.99ct J VS1 lab grown radiant diamond cost?

As of October 2026, 0.75 to 0.99ct J VS1 lab grown radiant diamonds typically cost HK$1,444 HKD to HK$9,579 HKD, with a median price of HK$3,749 HKD. There are currently 3 diamonds matching this specification available across retailers.

Where can I find the best price on a J VS1 radiant diamond?

About 43% of these diamonds are available at multiple retailers, with an average price spread of 111%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct J VS1 Lab Grown Radiant

Quick answer

As of October 2026, there are 3 lab grown radiant diamonds with J colour and VS1 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run HK$1,444 HKD to HK$9,579 HKD, with a median of HK$3,749 HKD. At least 22 retailers stock this exact specification, and 43% of the stones appear at more than one of them, with an average price spread of 111%. Half of all listings fall between HK$2,891 HKD and HK$8,049 HKD per carat. The same specification in natural form lists at a median of about HK$14,258 HKD per carat. Over the last 30 days the median price moved -18.1% and the number of listings moved +15.4%.

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. Radiant lab grown stones in the index: 474 USD per carat, -2.1% 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$1,389 HKD

Highest Price

HK$17,827 HKD

Average Price

HK$4,924 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

42.9%

Price Spread

111.1%

30-Day Price Trend

-18.1%

30-Day Supply Change

+15.4%

Volatility (30d)

0.08

Price Range

Price per carat distribution across retailers

$592/ct

10th Percentile

$245

Median

$592

90th Percentile

$1,270

Score Distribution

6 diamonds scored across 4 quality tiers

Excellent

2 (33.3%)

Very Good

1 (16.7%)

Good

1 (16.7%)

Average

2 (33.3%)

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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