2.59ct F SI1 Cushion Lab Grown Diamond
ID • F/SI1 • IGI LG812645289
Shape and cutting style on the report: Cushion modified brilliant
Certificate IGI LG812645289
Diamond specifications and retailer prices
About this 2.59ct lab-grown cushion diamond
This 2.59ct lab-grown cushion sits in the two to three carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG812645289 or 812645289. Listed at 13 retailers as of October 28, 2026, with a 325% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 →13 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
- 2.59ct CushionF/SI1from €499across 6 retailersAs of October 31, 2026
- 2.59ct CushionF/SI1from €1,187As of October 30, 2026
- 2.56ct CushionF/SI1from €495across 15 retailersAs of October 29, 2026
- 2.54ct CushionF/SI1from €308across 11 retailersAs of October 31, 2026
- 2.54ct CushionF/SI1from €597across 9 retailersAs of October 31, 2026
- 2.53ct CushionF/SI1from €580across 7 retailersAs of October 30, 2026
- 2.65ct CushionF/SI1from €1,049across 5 retailersAs of November 1, 2026
- 2.65ct CushionF/SI1from €2,148As of October 30, 2026