How much does a 1.50 to 1.99ct I VS1 lab grown emerald diamond cost?

As of October 2026, 1.50 to 1.99ct I VS1 lab grown emerald diamonds typically cost $261 USD to $1,623 USD, with a median price of $500 USD. There are currently 49 diamonds matching this specification available across retailers.

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

About 20% of these diamonds are available at multiple retailers, with an average price spread of 83%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct I VS1 Lab Grown Emerald

Quick answer

As of October 2026, there are 49 lab grown emerald diamonds with I color and VS1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $261 USD to $1,623 USD, with a median of $500 USD. At least 40 retailers stock this exact specification, and 20% of the stones appear at more than one of them, with an average price spread of 83%. Half of all listings fall between $278 USD and $626 USD per carat. The same specification in natural form lists at a median of about $4,970 USD per carat. Over the last 30 days the median price moved +4.8% and the number of listings moved +4.4%.

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. Emerald lab grown stones in the index: 451 USD per carat, -8.3% 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

$158 USD

Highest Price

$3,611 USD

Average Price

$738 USD

Market Intelligence

Retailers Selling

Cross Retailer %

19.7%

Price Spread

82.8%

30-Day Price Trend

+4.8%

30-Day Supply Change

+4.4%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$420/ct

10th Percentile

$169

Median

$420

90th Percentile

$973

Score Distribution

119 diamonds scored across 4 quality tiers

Excellent

21 (17.6%)

Very Good

16 (13.4%)

Good

34 (28.6%)

Average

48 (40.3%)

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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