How much does a 1.00 to 1.49ct D IF lab grown cushion diamond cost?

As of November 2026, 1.00 to 1.49ct D IF lab grown cushion diamonds typically cost €271 EUR to €2,128 EUR, with a median price of €529 EUR. There are currently 425 diamonds matching this specification available across retailers.

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

About 38% of these diamonds are available at multiple retailers, with an average price spread of 101%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct D IF Lab Grown Cushion

Quick answer

As of November 2026, there are 425 lab grown cushion diamonds with D color and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run €271 EUR to €2,128 EUR, with a median of €529 EUR. At least 51 retailers stock this exact specification, and 38% of the stones appear at more than one of them, with an average price spread of 101%. Half of all listings fall between €476 EUR and €1,224 EUR per carat. The same specification in natural form lists at a median of about €6,433 EUR per carat. Over the last 30 days the median price moved -8.6% and the number of listings moved +33.8%.

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. 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

425

Lowest Price

€208 EUR

Highest Price

€5,429 EUR

Average Price

€897 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

37.6%

Price Spread

101.3%

30-Day Price Trend

-8.6%

30-Day Supply Change

+33.8%

Volatility (30d)

0.04

Price Range

Price per carat distribution across retailers

$825/ct

10th Percentile

$414

Median

$825

90th Percentile

$1,905

Score Distribution

938 diamonds scored across 5 quality tiers

Exceptional

17 (1.8%)

Excellent

306 (32.6%)

Very Good

333 (35.5%)

Good

175 (18.7%)

Average

107 (11.4%)

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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