1.21ct F SI1 Radiant Natural Diamond
GD • F/SI1 • GIA 1279100240
Certificate GIA 1279100240
Diamond specifications and retailer prices
About this 1.21ct natural radiant diamond
This 1.21ct natural radiant sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 1279100240. Listed at 6 retailers as of November 5, 2026, with prices from $5,001 to $6,163, a $1,162 spread on the same certified stone. 77 Diamonds lists it at $6,163. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.
The 4Cs
Specifications
Caratlytics Score
How it works →6 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.
Similar diamonds
- 1.21ct RadiantF/SI1from $4,249across 19 retailersAs of November 5, 2026
- 1.21ct RadiantF/SI1from $4,176across 18 retailersAs of November 5, 2026
- 1.21ct RadiantF/SI1from $3,173across 15 retailersAs of November 6, 2026
- 1.21ct RadiantF/SI1from $3,432across 14 retailersAs of November 2, 2026
- 1.21ct RadiantF/SI1from $3,378across 14 retailersAs of November 4, 2026
- 1.21ct RadiantF/SI1from $3,006across 10 retailersAs of November 5, 2026
- 1.21ct RadiantF/SI1from $3,241across 10 retailersAs of November 5, 2026
- 1.21ct RadiantF/SI1from $3,571across 4 retailersAs of November 7, 2026