How much does a 0.50 to 0.74ct J VS1 lab grown princess diamond cost?

As of October 2026, 0.50 to 0.74ct J VS1 lab grown princess diamonds typically cost HK$2,180 HKD to HK$8,122 HKD, with a median price of HK$3,997 HKD. There are currently 3 diamonds matching this specification available across retailers.

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

About 10% of these diamonds are available at multiple retailers, with an average price spread of 70%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct J VS1 Lab Grown Princess

Quick answer

As of October 2026, there are 3 lab grown princess diamonds with J colour and VS1 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run HK$2,180 HKD to HK$8,122 HKD, with a median of HK$3,997 HKD. At least 16 retailers stock this exact specification, and 10% of the stones appear at more than one of them, with an average price spread of 70%. Half of all listings fall between HK$2,803 HKD and HK$6,857 HKD per carat. The same specification in natural form lists at a median of about HK$8,810 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. Princess lab grown stones in the index: 461 USD per carat, -4.8% 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$1,012 HKD

Highest Price

HK$13,403 HKD

Average Price

HK$4,874 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

10.0%

Price Spread

70.4%

Price Range

Price per carat distribution across retailers

$734/ct

10th Percentile

$225

Median

$734

90th Percentile

$1,169

Score Distribution

9 diamonds scored across 4 quality tiers

Excellent

1 (11.1%)

Very Good

2 (22.2%)

Good

4 (44.4%)

Average

2 (22.2%)

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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