How much does a 1.50 to 1.99ct G IF lab grown radiant diamond cost?

As of October 2026, 1.50 to 1.99ct G IF lab grown radiant diamonds typically cost $353 CAD to $2,619 CAD, with a median price of $777 CAD. There are currently 8 diamonds matching this specification available across retailers.

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

About 40% 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 G IF Lab Grown Radiant

Quick answer

As of October 2026, there are 8 lab grown radiant diamonds with G color and IF clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $353 CAD to $2,619 CAD, with a median of $777 CAD. At least 42 retailers stock this exact specification, and 40% of the stones appear at more than one of them, with an average price spread of 112%. Half of all listings fall between $433 CAD and $1,333 CAD per carat. The same specification in natural form lists at a median of about $12,263 CAD per carat. Over the last 30 days the median price moved -10.4% and the number of listings moved +22.0%.

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. Radiant lab grown stones in the index: 474 USD per carat, -2.1% 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

$340 CAD

Highest Price

$5,514 CAD

Average Price

$1,056 CAD

Market Intelligence

Retailers Selling

Cross Retailer %

40.0%

Price Spread

111.8%

30-Day Price Trend

-10.4%

30-Day Supply Change

+22.0%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$575/ct

10th Percentile

$197

Median

$575

90th Percentile

$1,524

Score Distribution

30 diamonds scored across 4 quality tiers

Excellent

9 (30.0%)

Very Good

7 (23.3%)

Good

9 (30.0%)

Average

5 (16.7%)

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H IFH colour is visually identical to G to the naked eye

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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