How much does a 1.50 to 1.99ct H IF lab grown oval diamond cost?

As of October 2026, 1.50 to 1.99ct H IF lab grown oval diamonds typically cost $799 USD to $3,679 USD, with a median price of $2,019 USD. There are currently 1 diamonds matching this specification available across retailers.

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

About 10% of these diamonds are available at multiple retailers, with an average price spread of 112%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct H IF Lab Grown Oval

Quick answer

As of October 2026, there are 1 lab grown oval diamonds with H color and IF clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $799 USD to $3,679 USD, with a median of $2,019 USD. At least 17 retailers stock this exact specification, and 10% of the stones appear at more than one of them, with an average price spread of 112%. Half of all listings fall between $1,025 USD and $2,375 USD per carat. The same specification in natural form lists at a median of about $6,377 USD per carat.

Three of the best scored stones at this specification right now:

1.68ct Oval H IF, GCAL, grade A, from $637 USD

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. Oval lab grown stones in the index: 453 USD per carat, -7.4% 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

$637 USD

Highest Price

$15,550 USD

Average Price

$2,153 USD

Market Intelligence

Retailers Selling

Cross Retailer %

10.0%

Price Spread

112.3%

Price Range

Price per carat distribution across retailers

$1,202/ct

10th Percentile

$594

Median

$1,202

90th Percentile

$4,459

Score Distribution

10 diamonds scored across 3 quality tiers

Excellent

1 (10.0%)

Very Good

5 (50.0%)

Good

4 (40.0%)

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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