How much does a 3.00 to 4.99ct J VS2 lab grown round diamond cost?

As of October 2026, 3.00 to 4.99ct J VS2 lab grown round diamonds typically cost $689 USD to $3,204 USD, with a median price of $1,385 USD. There are currently 93 diamonds matching this specification available across retailers.

Where can I find the best price on a J VS2 round diamond?

About 40% 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.

3.00 to 4.99ct J VS2 Lab Grown Round

Quick answer

As of October 2026, there are 93 lab grown round diamonds with J color and VS2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $689 USD to $3,204 USD, with a median of $1,385 USD. At least 28 retailers stock this exact specification, and 40% of the stones appear at more than one of them, with an average price spread of 111%. Half of all listings fall between $265 USD and $745 USD per carat. The same specification in natural form lists at a median of about $10,311 USD per carat. Over the last 30 days the median price moved +1.8% and the number of listings moved +0.8%.

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. Round lab grown stones in the index: 414 USD per carat, -5.0% 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

$332 USD

Highest Price

$6,109 USD

Average Price

$1,725 USD

Market Intelligence

Retailers Selling

Cross Retailer %

39.8%

Price Spread

111.3%

30-Day Price Trend

+1.8%

30-Day Supply Change

+0.8%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$432/ct

10th Percentile

$229

Median

$432

90th Percentile

$1,043

Score Distribution

139 diamonds scored across 4 quality tiers

Excellent

35 (25.2%)

Very Good

25 (18.0%)

Good

47 (33.8%)

Average

32 (23.0%)

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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