How much does a 5.00ct+ J VS1 lab grown cushion diamond cost?

As of November 2026, 5.00ct+ J VS1 lab grown cushion diamonds typically cost HK$11,775 HKD to HK$55,584 HKD, with a median price of HK$28,277 HKD. There are currently 6 diamonds matching this specification available across retailers.

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

About 41% of these diamonds are available at multiple retailers, with an average price spread of 61%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ J VS1 Lab Grown Cushion

Quick answer

As of November 2026, there are 6 lab grown cushion diamonds with J colour and VS1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run HK$11,775 HKD to HK$55,584 HKD, with a median of HK$28,277 HKD. At least 20 retailers stock this exact specification, and 41% of the stones appear at more than one of them, with an average price spread of 61%. Half of all listings fall between HK$3,748 HKD and HK$6,772 HKD per carat. The same specification in natural form lists at a median of about HK$102,769 HKD per carat. Over the last 30 days the median price moved +2.5% and the number of listings moved +10.4%.

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. Cushion lab grown stones in the index: 516 USD per carat, +6.9% 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: November 2026

Available

Lowest Price

HK$10,344 HKD

Highest Price

HK$120,806 HKD

Average Price

HK$32,090 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

40.9%

Price Spread

60.5%

30-Day Price Trend

+2.5%

30-Day Supply Change

+10.4%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$637/ct

10th Percentile

$301

Median

$637

90th Percentile

$1,544

Score Distribution

8 diamonds scored across 3 quality tiers

Excellent

2 (25.0%)

Very Good

4 (50.0%)

Average

2 (25.0%)

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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