2.55ct K SI1 Round Natural Diamond
EX • K/SI1 • GIA 16
Certificate GIA 16
Diamond specifications and retailer prices
About this 2.55ct natural round diamond
This 2.55ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 11 retailers as of November 4, 2026, with prices from $11,482 to $20,022, a $8,540 spread on the same certified stone. NZ Jewellers lists it at $20,022. 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 →11 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
- 2.55ct RoundK/SI1from $10,720across 16 retailersAs of November 1, 2026
- 2.55ct RoundK/SI1from $6,955across 16 retailersAs of November 5, 2026
- 2.56ct RoundK/SI1from $13,899across 2 retailersAs of November 4, 2026
- 2.56ct RoundK/SI1from $19,987As of November 5, 2026
- 2.57ct RoundK/SI1from $12,671across 3 retailersAs of November 4, 2026
- 2.57ct RoundK/SI1from $12,974across 3 retailersAs of November 5, 2026
- 2.52ct RoundK/SI1from $10,010across 17 retailersAs of November 1, 2026
- 2.52ct RoundK/SI1from $10,080across 13 retailersAs of November 1, 2026