1.23ct I SI1 Cushion Natural Diamond
EX • I/SI1 • GIA 6291665728
Certificate GIA 6291665728
Diamond specifications and retailer prices
About this 1.23ct natural cushion diamond
This 1.23ct natural cushion sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6291665728. Listed at 9 retailers as of November 4, 2026, with prices from $3,862 to $6,972, a $3,110 spread on the same certified stone. MOH London lists it at $6,972. 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
- 1.23ct CushionI/SI1from $1,600across 20 retailersAs of November 6, 2026
- 1.23ct CushionI/SI1from $1,344across 7 retailersAs of November 6, 2026
- 1.23ct CushionI/SI1from $2,737across 5 retailersAs of November 6, 2026
- 1.23ct CushionI/SI1from $1,488across 3 retailersAs of November 2, 2026
- 1.23ct CushionI/SI1from $1,695As of November 5, 2026
- 1.23ct CushionI/SI1from $2,574As of November 5, 2026
- 1.22ct CushionI/SI1from $1,958across 18 retailersAs of November 6, 2026
- 1.22ct CushionI/SI1from $1,077across 17 retailersAs of November 6, 2026