1.21ct D SI1 Radiant Lab Grown Diamond
ID • D/SI1 • IGI LG786693953
Shape and cutting style on the report: Cut cornered rectangular modified brilliant
Certificate IGI LG786693953
Diamond specifications and retailer prices
About this 1.21ct lab-grown radiant diamond
This 1.21ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG786693953 or 786693953. Listed at 18 retailers as of October 29, 2026, with prices from $193 to $1,121, a $928 spread on the same certified stone. MOH London lists it at $1,121. 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 →18 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
- 1.21ct RadiantD/SI1from $652As of October 30, 2026
- 1.17ct RadiantD/SI1from $1,692As of October 30, 2026
- 1.16ct RadiantD/SI1from $268across 17 retailersAs of October 30, 2026
- 1.16ct RadiantD/SI1from $640As of October 29, 2026
- 1.28ct RadiantD/SI1from $1,788across 11 retailersAs of October 28, 2026
- 1.14ct RadiantD/SI1from $196across 8 retailersAs of October 30, 2026
- 1.28ct RadiantD/SI1from $1,974As of October 28, 2026
- 1.13ct RadiantD/SI1from $197across 9 retailersAs of October 30, 2026