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

As of November 2026, 0.50 to 0.74ct D IF lab grown marquise diamonds typically cost €160 EUR to €780 EUR, with a median price of €376 EUR. There are currently 183 diamonds matching this specification available across retailers.

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

About 39% of these diamonds are available at multiple retailers, with an average price spread of 92%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct D IF Lab Grown Marquise

Quick answer

As of November 2026, there are 183 lab grown marquise diamonds with D color and IF clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run €160 EUR to €780 EUR, with a median of €376 EUR. At least 44 retailers stock this exact specification, and 39% of the stones appear at more than one of them, with an average price spread of 92%. Half of all listings fall between €489 EUR and €1,225 EUR per carat. The same specification in natural form lists at a median of about €2,465 EUR per carat. Over the last 30 days the median price moved -0.7% and the number of listings moved +8.5%.

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. Marquise lab grown stones in the index: 485 USD per carat, -3.2% 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

183

Lowest Price

€113 EUR

Highest Price

€2,470 EUR

Average Price

€437 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

38.5%

Price Spread

91.8%

30-Day Price Trend

-0.7%

30-Day Supply Change

+8.5%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$896/ct

10th Percentile

$364

Median

$896

90th Percentile

$1,851

Score Distribution

515 diamonds scored across 5 quality tiers

Exceptional

5 (1.0%)

Excellent

195 (37.9%)

Very Good

93 (18.1%)

Good

133 (25.8%)

Average

89 (17.3%)

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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