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

As of November 2026, 1.50 to 1.99ct D IF lab grown cushion diamonds typically cost €455 EUR to €3,455 EUR, with a median price of €814 EUR. There are currently 368 diamonds matching this specification available across retailers.

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

About 32% of these diamonds are available at multiple retailers, with an average price spread of 125%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct D IF Lab Grown Cushion

Quick answer

As of November 2026, there are 368 lab grown cushion diamonds with D color and IF clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run €455 EUR to €3,455 EUR, with a median of €814 EUR. At least 53 retailers stock this exact specification, and 32% of the stones appear at more than one of them, with an average price spread of 125%. Half of all listings fall between €473 EUR and €1,486 EUR per carat. The same specification in natural form lists at a median of about €7,695 EUR per carat. Over the last 30 days the median price moved -8.8% and the number of listings moved +24.1%.

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. Cushion lab grown stones in the index: 516 USD per carat, +6.9% 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

368

Lowest Price

€317 EUR

Highest Price

€9,161 EUR

Average Price

€1,418 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

32.4%

Price Spread

124.8%

30-Day Price Trend

-8.8%

30-Day Supply Change

+24.1%

Volatility (30d)

0.04

Price Range

Price per carat distribution across retailers

$907/ct

10th Percentile

$410

Median

$907

90th Percentile

$2,126

Score Distribution

1.1K diamonds scored across 5 quality tiers

Exceptional

13 (1.2%)

Excellent

338 (31.0%)

Very Good

479 (43.9%)

Good

140 (12.8%)

Average

121 (11.1%)

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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