1.21ct I SI2 Round Natural Diamond
EX • I/SI2 • GIA 2554019948
Certificate GIA 2554019948
Diamond specifications and retailer prices
About this 1.21ct natural round diamond
This 1.21ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2554019948. Listed at 30 retailers as of November 5, 2026, with a 138% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 →30 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 RoundI/SI2from $3,926across 20 retailersAs of November 1, 2026
- 1.21ct RoundI/SI2from $4,029across 19 retailersAs of November 4, 2026
- 1.21ct RoundI/SI2from $3,926across 18 retailersAs of November 6, 2026
- 1.21ct RoundI/SI2from $6,417across 18 retailersAs of November 4, 2026
- 1.21ct RoundI/SI2from $3,303across 18 retailersAs of November 5, 2026
- 1.21ct RoundI/SI2from $2,985across 18 retailersAs of November 1, 2026
- 1.21ct RoundI/SI2from $2,842across 15 retailersAs of November 6, 2026
- 1.21ct RoundI/SI2from $3,147across 15 retailersAs of November 5, 2026