1.00ct K SI1 Heart Lab Grown Diamond
ID • K/SI1 • IGI LG825631482
Shape and cutting style on the report: Heart modified brilliant
Certificate IGI LG825631482
Diamond specifications and retailer prices
About this 1ct lab-grown heart diamond
This 1ct lab-grown heart sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG825631482 or 825631482. Listed at 11 retailers as of November 1, 2026, with prices from £185 to £951, a £766 spread on the same certified stone. MOH London lists it at £951. 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 →11 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.