1.66ct D IF Round Natural Diamond
ID • D/IF • GIA 619
Certificate GIA 619
Diamond specifications and retailer prices
About this 1.66ct natural round diamond
This 1.66ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA. Listed at 3 retailers as of October 29, 2026, with prices from $24,152 to $28,559, a $4,407 spread on the same certified stone. Blue Nile lists it at $28,559. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.
The 4Cs
Specifications
Caratlytics Score
How it works →3 retailers
Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.
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