1.21ct E SI1 Radiant Lab Grown Diamond
ID • E/SI1 • IGI LG850681876
Shape and cutting style on the report: Cut cornered rectangular modified brilliant
Certificate IGI LG850681876
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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG850681876 or 850681876. Listed at 7 retailers as of November 4, 2026, with prices from $234 to $848, a $614 spread on the same certified stone. MOH London lists it at $848. 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 →7 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 RadiantE/SI1from $763across 2 retailersAs of November 5, 2026
- 1.21ct RadiantE/SI1from $391across 2 retailersAs of November 6, 2026
- 1.21ct RadiantE/SI1from $766As of November 5, 2026
- 1.2ct RadiantE/SI1from $237across 16 retailersAs of November 6, 2026
- 1.22ct RadiantE/SI1from $477As of November 5, 2026
- 1.22ct RadiantE/SI1from $472As of November 5, 2026
- 1.19ct RadiantE/SI1from $127across 15 retailersAs of November 6, 2026
- 1.19ct RadiantE/SI1from $454across 2 retailersAs of November 6, 2026