How much does a 3.00 to 4.99ct J VS1 lab grown round diamond cost?

As of September 2026, 3.00 to 4.99ct J VS1 lab grown round diamonds typically cost $466 USD to $2,887 USD, with a median price of $1,105 USD. There are currently 905 diamonds matching this specification available across retailers.

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

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3.00 to 4.99ct J VS1 Lab Grown Round

Quick answer

As of September 2026, there are 905 lab grown round diamonds with J color and VS1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $466 USD to $2,887 USD, with a median of $1,105 USD. At least 23 retailers stock this exact specification. Half of all listings fall between $319 USD and $631 USD per carat. The same specification in natural form lists at a median of about $10,895 USD 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. Round lab grown stones in the index: 438 USD per carat, -14.1% 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

905

Lowest Price

$337 USD

Highest Price

$102,950 USD

Average Price

$2,298 USD

Market Intelligence

Retailers Selling

Price Spread

74.2%

Price Range

Price per carat distribution across retailers

$420/ct

10th Percentile

$234

Median

$420

90th Percentile

$916

Score Distribution

905 diamonds scored across 4 quality tiers

Excellent

331 (36.6%)

Very Good

96 (10.6%)

Good

317 (35.0%)

Average

161 (17.8%)

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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