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

About 70% of these diamonds are available at multiple retailers, with an average price spread of 110%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct G IF Lab Grown Radiant

Quick answer

At least 25 retailers stock this exact specification, and 70% of the stones appear at more than one of them, with an average price spread of 110%. Half of all listings fall between HK$2,677 HKD and HK$8,008 HKD per carat. The same specification in natural form lists at a median of about HK$14,464 HKD per carat. Over the last 30 days the median price moved -21.7% and the number of listings moved +40.4%.

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

Market Intelligence

Retailers Selling

Cross Retailer %

70.0%

Price Spread

109.5%

30-Day Price Trend

-21.7%

30-Day Supply Change

+40.4%

Volatility (30d)

0.09

Price Range

Price per carat distribution across retailers

$620/ct

10th Percentile

$296

Median

$620

90th Percentile

$1,201

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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