1.50ct K SI1 Cushion Natural Diamond
EX • K/SI1 • GIA 1543520312
Certificate GIA 1543520312
Diamond specifications and retailer prices
About this 1.5ct natural cushion diamond
This 1.5ct natural cushion sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1543520312. Listed at 14 retailers as of November 4, 2026, with prices from $1,881 to $4,304, a $2,423 spread on the same certified stone. MOH London lists it at $4,304. 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 →14 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
- 1.5ct CushionK/SI1from $1,664across 19 retailersAs of November 6, 2026
- 1.5ct CushionK/SI1from $2,150across 16 retailersAs of November 6, 2026
- 1.5ct CushionK/SI1from $4,364across 15 retailersAs of November 6, 2026
- 1.5ct CushionK/SI1from $1,760across 15 retailersAs of November 6, 2026
- 1.5ct CushionK/SI1from $2,095across 14 retailersAs of November 6, 2026
- 1.5ct CushionK/SI1from $2,035across 14 retailersAs of November 6, 2026
- 1.5ct CushionK/SI1from $2,560across 14 retailersAs of November 6, 2026
- 1.5ct CushionK/SI1from $2,189across 13 retailersAs of November 6, 2026