1.21ct K SI2 Round Natural Diamond
EX • K/SI2 • GIA 5423150018
Certificate GIA 5423150018
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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5423150018. Listed at 9 retailers as of November 5, 2026, with prices from $2,033 to $5,285, a $3,252 spread on the same certified stone. NZ Jewellers lists it at $5,285. 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 →9 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 RoundK/SI2from $1,818across 15 retailersAs of November 6, 2026
- 1.21ct RoundK/SI2from $1,393across 13 retailersAs of November 5, 2026
- 1.21ct RoundK/SI2from $1,311across 12 retailersAs of November 5, 2026
- 1.21ct RoundK/SI2from $1,715across 12 retailersAs of November 6, 2026
- 1.21ct RoundK/SI2from $1,636across 11 retailersAs of November 4, 2026
- 1.21ct RoundK/SI2from $1,379across 9 retailersAs of November 4, 2026
- 1.21ct RoundK/SI2from $2,154across 7 retailersAs of November 5, 2026
- 1.21ct RoundK/SI2from $1,536across 4 retailersAs of November 6, 2026