How much does a 1.00 to 1.49ct H IF lab grown round diamond cost?

As of October 2026, 1.00 to 1.49ct H IF lab grown round diamonds typically cost $175 USD to $831 USD, with a median price of $453 USD. There are currently 8 diamonds matching this specification available across retailers.

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

About 45% of these diamonds are available at multiple retailers, with an average price spread of 105%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct H IF Lab Grown Round

Quick answer

As of October 2026, there are 8 lab grown round diamonds with H color and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $175 USD to $831 USD, with a median of $453 USD. At least 24 retailers stock this exact specification, and 45% of the stones appear at more than one of them, with an average price spread of 105%. Half of all listings fall between $208 USD and $668 USD per carat. The same specification in natural form lists at a median of about $4,663 USD per carat. Over the last 30 days the median price moved -79.6% 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. 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

$159 USD

Highest Price

$9,253 USD

Average Price

$584 USD

Market Intelligence

Retailers Selling

Cross Retailer %

45.5%

Price Spread

104.6%

30-Day Price Trend

-79.6%

30-Day Supply Change

-33.8%

Volatility (30d)

0.55

Price Range

Price per carat distribution across retailers

$440/ct

10th Percentile

$187

Median

$440

90th Percentile

$769

Score Distribution

18 diamonds scored across 4 quality tiers

Excellent

5 (27.8%)

Very Good

7 (38.9%)

Good

4 (22.2%)

Average

2 (11.1%)

Find Your Diamond

Search 8 H IF round diamonds and compare prices.

Search Diamonds

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