How much does a 1.50 to 1.99ct E IF lab grown round diamond cost?

As of October 2026, 1.50 to 1.99ct E IF lab grown round diamonds typically cost $346 USD to $2,593 USD, with a median price of $764 USD. There are currently 548 diamonds matching this specification available across retailers.

Where can I find the best price on a E IF round diamond?

About 46% 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.

1.50 to 1.99ct E IF Lab Grown Round

Quick answer

As of October 2026, there are 548 lab grown round diamonds with E color and IF clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $346 USD to $2,593 USD, with a median of $764 USD. At least 56 retailers stock this exact specification, and 46% of the stones appear at more than one of them, with an average price spread of 111%. Half of all listings fall between $368 USD and $1,023 USD per carat. The same specification in natural form lists at a median of about $14,795 USD per carat. Over the last 30 days the median price moved -5.1% and the number of listings moved +27.8%.

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

548

Lowest Price

$274 USD

Highest Price

$5,940 USD

Average Price

$1,121 USD

Market Intelligence

Retailers Selling

Cross Retailer %

46.0%

Price Spread

111.0%

30-Day Price Trend

-5.1%

30-Day Supply Change

+27.8%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$590/ct

10th Percentile

$255

Median

$590

90th Percentile

$1,500

Score Distribution

1.4K diamonds scored across 5 quality tiers

Exceptional

13 (0.9%)

Excellent

592 (41.2%)

Very Good

238 (16.6%)

Good

224 (15.6%)

Average

370 (25.7%)

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Consider Instead

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

F IFF colour is visually identical to E to the naked eye

Save 4%

E VVS1VVS1 inclusions are not visible without magnification

Save 28%

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