1.30ct K SI2 Cushion Natural Diamond
EX • K/SI2 • GIA 5231921674
Certificate GIA 5231921674
Diamond specifications and retailer prices
About this 1.3ct natural cushion diamond
This 1.3ct natural cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5231921674. Listed at 5 retailers as of November 4, 2026, with prices from $1,798 to $3,072, a $1,274 spread on the same certified stone. MOH London lists it at $3,072. 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 →5 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
- 1.3ct CushionK/SI2from $1,940across 5 retailersAs of November 4, 2026
- 1.33ct CushionK/SI2from $2,130As of November 5, 2026
- 1.26ct CushionK/SI2from $2,555As of November 6, 2026
- 1.25ct CushionK/SI2from $2,143across 9 retailersAs of November 6, 2026
- 1.22ct CushionK/SI2from $1,320across 12 retailersAs of November 4, 2026
- 1.22ct CushionK/SI2from $1,165As of November 6, 2026
- 1.21ct CushionK/SI2from $1,165across 13 retailersAs of November 6, 2026
- 1.21ct CushionK/SI2from $1,759across 2 retailersAs of November 5, 2026