How much does a 0.75 to 0.99ct I IF lab grown round diamond cost?

As of October 2026, 0.75 to 0.99ct I IF lab grown round diamonds typically cost $192 USD to $2,471 USD, with a median price of $1,378 USD. There are currently 3 diamonds matching this specification available across retailers.

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

About 41% of these diamonds are available at multiple retailers, with an average price spread of 202%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct I IF Lab Grown Round

Quick answer

As of October 2026, there are 3 lab grown round diamonds with I color and IF clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run $192 USD to $2,471 USD, with a median of $1,378 USD. At least 17 retailers stock this exact specification, and 41% of the stones appear at more than one of them, with an average price spread of 202%. Half of all listings fall between $431 USD and $2,185 USD per carat. The same specification in natural form lists at a median of about $2,966 USD per carat.

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. Round lab grown stones in the index: 414 USD per carat, -5.0% 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

$131 USD

Highest Price

$6,443 USD

Average Price

$1,332 USD

Market Intelligence

Retailers Selling

Cross Retailer %

41.2%

Price Spread

202.3%

Price Range

Price per carat distribution across retailers

$867/ct

10th Percentile

$217

Median

$867

90th Percentile

$3,472

Score Distribution

8 diamonds scored across 2 quality tiers

Excellent

3 (37.5%)

Very Good

5 (62.5%)

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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