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

As of September 2026, 5.00ct+ J VS1 lab grown oval diamonds typically cost HK$27,392 HKD to HK$612,196 HKD, with a median price of HK$73,409 HKD. There are currently 18 diamonds matching this specification available across retailers.

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

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5.00ct+ J VS1 Lab Grown Oval

Quick answer

As of September 2026, there are 18 lab grown oval diamonds with J colour and VS1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run HK$27,392 HKD to HK$612,196 HKD, with a median of HK$73,409 HKD. At least 9 retailers stock this exact specification. Half of all listings fall between HK$4,436 HKD and HK$7,662 HKD per carat. The same specification in natural form lists at a median of about HK$119,423 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. Oval lab grown stones in the index: 487 USD per carat, -11.2% 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$20,185 HKD

Highest Price

HK$1,893,020 HKD

Average Price

HK$201,851 HKD

Market Intelligence

Retailers Selling

Price Spread

50.4%

Price Range

Price per carat distribution across retailers

$816/ct

10th Percentile

$529

Median

$816

90th Percentile

$1,039

Score Distribution

18 diamonds scored across 4 quality tiers

Excellent

1 (5.6%)

Very Good

6 (33.3%)

Good

4 (22.2%)

Average

7 (38.9%)

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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