How much does a 1.50 to 1.99ct D IF lab grown radiant diamond cost?

As of November 2026, 1.50 to 1.99ct D IF lab grown radiant diamonds typically cost €283 EUR to €2,028 EUR, with a median price of €659 EUR. There are currently 694 diamonds matching this specification available across retailers.

Where can I find the best price on a D IF radiant diamond?

About 43% of these diamonds are available at multiple retailers, with an average price spread of 110%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct D IF Lab Grown Radiant

Quick answer

As of November 2026, there are 694 lab grown radiant diamonds with D color and IF clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run €283 EUR to €2,028 EUR, with a median of €659 EUR. At least 53 retailers stock this exact specification, and 43% of the stones appear at more than one of them, with an average price spread of 110%. Half of all listings fall between €302 EUR and €898 EUR per carat. The same specification in natural form lists at a median of about €9,932 EUR per carat. Over the last 30 days the median price moved -10.8% and the number of listings moved +19.8%.

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. 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: November 2026

Available

694

Lowest Price

€221 EUR

Highest Price

€6,357 EUR

Average Price

€965 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

42.7%

Price Spread

110.0%

30-Day Price Trend

-10.8%

30-Day Supply Change

+19.8%

Volatility (30d)

0.04

Price Range

Price per carat distribution across retailers

$605/ct

10th Percentile

$229

Median

$605

90th Percentile

$1,705

Score Distribution

1.7K diamonds scored across 5 quality tiers

Exceptional

23 (1.4%)

Excellent

575 (34.5%)

Very Good

645 (38.6%)

Good

328 (19.7%)

Average

98 (5.9%)

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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