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

As of October 2026, 1.50 to 1.99ct J VS1 lab grown radiant diamonds typically cost $673 USD to $11,712 USD, with a median price of $1,915 USD. There are currently 4 diamonds matching this specification available across retailers.

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

About 9% of these diamonds are available at multiple retailers, with an average price spread of 164%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct J VS1 Lab Grown Radiant

Quick answer

As of October 2026, there are 4 lab grown radiant diamonds with J color and VS1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $673 USD to $11,712 USD, with a median of $1,915 USD. At least 24 retailers stock this exact specification, and 9% of the stones appear at more than one of them, with an average price spread of 164%. Half of all listings fall between $377 USD and $2,014 USD per carat. The same specification in natural form lists at a median of about $3,709 USD per carat. Over the last 30 days the median price moved -29.4% and the number of listings moved -9.3%.

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. Radiant lab grown stones in the index: 474 USD per carat, -2.1% 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

$209 USD

Highest Price

$12,597 USD

Average Price

$5,366 USD

Market Intelligence

Retailers Selling

Cross Retailer %

8.6%

Price Spread

163.6%

30-Day Price Trend

-29.4%

30-Day Supply Change

-9.3%

Volatility (30d)

0.10

Price Range

Price per carat distribution across retailers

$1,000/ct

10th Percentile

$236

Median

$1,000

90th Percentile

$6,402

Score Distribution

34 diamonds scored across 4 quality tiers

Excellent

3 (8.8%)

Very Good

2 (5.9%)

Good

14 (41.2%)

Average

15 (44.1%)

Find Your Diamond

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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