1.21ct E SI1 Radiant Natural Diamond
ID • E/SI1 • GIA 07
Certificate GIA 07
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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 10 retailers as of November 5, 2026, with prices from $3,727 to $8,544, a $4,817 spread on the same certified stone. NZ Jewellers lists it at $8,544. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.
The 4Cs
Specifications
Caratlytics Score
How it works →10 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 RadiantE/SI1from $3,739across 25 retailersAs of November 6, 2026
- 1.21ct RadiantE/SI1from $2,906across 24 retailersAs of November 6, 2026
- 1.21ct RadiantE/SI1from $3,832across 22 retailersAs of November 5, 2026
- 1.21ct RadiantE/SI1from $2,815across 21 retailersAs of November 6, 2026
- 1.21ct RadiantE/SI1from $3,851across 14 retailersAs of November 6, 2026
- 1.21ct RadiantE/SI1from $4,482across 13 retailersAs of November 4, 2026
- 1.21ct RadiantE/SI1from $2,646across 10 retailersAs of November 5, 2026
- 1.21ct RadiantE/SI1from $3,822across 9 retailersAs of November 7, 2026