How much does a 1.00 to 1.49ct J VS1 lab grown oval diamond cost?

As of October 2026, 1.00 to 1.49ct J VS1 lab grown oval diamonds typically cost HK$1,221 HKD to HK$12,992 HKD, with a median price of HK$5,728 HKD. There are currently 8 diamonds matching this specification available across retailers.

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

About 45% of these diamonds are available at multiple retailers, with an average price spread of 98%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct J VS1 Lab Grown Oval

Quick answer

As of October 2026, there are 8 lab grown oval diamonds with J colour and VS1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run HK$1,221 HKD to HK$12,992 HKD, with a median of HK$5,728 HKD. At least 22 retailers stock this exact specification, and 45% of the stones appear at more than one of them, with an average price spread of 98%. Half of all listings fall between HK$4,677 HKD and HK$12,756 HKD per carat. The same specification in natural form lists at a median of about HK$21,080 HKD per carat. Over the last 30 days the median price moved -19.0% and the number of listings moved -15.7%.

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. Oval lab grown stones in the index: 453 USD per carat, -7.4% 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$761 HKD

Highest Price

HK$33,034 HKD

Average Price

HK$6,037 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

45.2%

Price Spread

97.7%

30-Day Price Trend

-19.0%

30-Day Supply Change

-15.7%

Volatility (30d)

0.09

Price Range

Price per carat distribution across retailers

$1,054/ct

10th Percentile

$270

Median

$1,054

90th Percentile

$2,443

Score Distribution

17 diamonds scored across 4 quality tiers

Excellent

6 (35.3%)

Very Good

4 (23.5%)

Good

2 (11.8%)

Average

5 (29.4%)

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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