How much does a 0.50 to 0.74ct D IF lab grown cushion diamond cost?

As of October 2026, 0.50 to 0.74ct D IF lab grown cushion diamonds typically cost $261 USD to $1,270 USD, with a median price of $660 USD. There are currently 64 diamonds matching this specification available across retailers.

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

About 34% of these diamonds are available at multiple retailers, with an average price spread of 87%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct D IF Lab Grown Cushion

Quick answer

As of October 2026, there are 64 lab grown cushion diamonds with D color and IF clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run $261 USD to $1,270 USD, with a median of $660 USD. At least 37 retailers stock this exact specification, and 34% of the stones appear at more than one of them, with an average price spread of 87%. Half of all listings fall between $865 USD and $1,892 USD per carat. The same specification in natural form lists at a median of about $2,126 USD per carat. Over the last 30 days the median price moved +0.8% and the number of listings moved +44.5%.

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: October 2026

Available

Lowest Price

$209 USD

Highest Price

$2,710 USD

Average Price

$688 USD

Market Intelligence

Retailers Selling

Cross Retailer %

34.0%

Price Spread

86.9%

30-Day Price Trend

+0.8%

30-Day Supply Change

+44.5%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,182/ct

10th Percentile

$553

Median

$1,182

90th Percentile

$2,403

Score Distribution

194 diamonds scored across 5 quality tiers

Exceptional

2 (1.0%)

Excellent

56 (28.9%)

Very Good

33 (17.0%)

Good

81 (41.8%)

Average

22 (11.3%)

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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