How much does a 1.50 to 1.99ct J VS1 lab grown round diamond cost?

As of October 2026, 1.50 to 1.99ct J VS1 lab grown round diamonds typically cost $502 USD to $2,647 USD, with a median price of $1,320 USD. There are currently 424 diamonds matching this specification available across retailers.

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

About 41% of these diamonds are available at multiple retailers, with an average price spread of 80%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct J VS1 Lab Grown Round

Quick answer

As of October 2026, there are 424 lab grown round diamonds with J color and VS1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $502 USD to $2,647 USD, with a median of $1,320 USD. At least 26 retailers stock this exact specification, and 41% of the stones appear at more than one of them, with an average price spread of 80%. Half of all listings fall between $953 USD and $1,848 USD per carat. The same specification in natural form lists at a median of about $3,738 USD per carat. Over the last 30 days the median price moved -6.5% and the number of listings moved +1.7%.

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. 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

424

Lowest Price

$278 USD

Highest Price

$7,206 USD

Average Price

$1,586 USD

Market Intelligence

Retailers Selling

Cross Retailer %

41.2%

Price Spread

80.3%

30-Day Price Trend

-6.5%

30-Day Supply Change

+1.7%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$1,114/ct

10th Percentile

$529

Median

$1,114

90th Percentile

$2,287

Score Distribution

813 diamonds scored across 4 quality tiers

Excellent

347 (42.7%)

Very Good

134 (16.5%)

Good

241 (29.6%)

Average

91 (11.2%)

Find Your Diamond

Search 424 J VS1 round diamonds and compare prices.

Search Diamonds

Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

J VS2VS2 inclusions are not visible without magnification

Save 6%

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