How much does a 0.20 to 0.49ct D IF lab grown cushion diamond cost?

As of November 2026, 0.20 to 0.49ct D IF lab grown cushion diamonds typically cost €182 EUR to €890 EUR, with a median price of €402 EUR. There are currently 17 diamonds matching this specification available across retailers.

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

About 41% of these diamonds are available at multiple retailers, with an average price spread of 88%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct D IF Lab Grown Cushion

Quick answer

As of November 2026, there are 17 lab grown cushion diamonds with D color and IF clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run €182 EUR to €890 EUR, with a median of €402 EUR. At least 28 retailers stock this exact specification, and 41% of the stones appear at more than one of them, with an average price spread of 88%. Half of all listings fall between €881 EUR and €1,899 EUR per carat. The same specification in natural form lists at a median of about €2,079 EUR per carat. Over the last 30 days the median price moved +2.2% and the number of listings moved +2.4%.

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. 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

Lowest Price

€76 EUR

Highest Price

€1,352 EUR

Average Price

€430 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

41.2%

Price Spread

87.8%

30-Day Price Trend

+2.2%

30-Day Supply Change

+2.4%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,294/ct

10th Percentile

$634

Median

$1,294

90th Percentile

$2,767

Score Distribution

61 diamonds scored across 4 quality tiers

Excellent

19 (31.1%)

Very Good

5 (8.2%)

Good

35 (57.4%)

Average

2 (3.3%)

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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