1.23ct K SI1 Oval Lab Grown Diamond
ID • K/SI1 • IGI LG447099065
Shape and cutting style on the report: Oval brilliant
Certificate IGI LG447099065
Diamond specifications and retailer prices
About this 1.23ct lab-grown oval diamond
This 1.23ct lab-grown oval 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 LG447099065 or 447099065. Listed at 10 retailers as of November 5, 2026, with prices from £354 to £1,607, a £1,253 spread on the same certified stone. MOH London lists it at £1,607. 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 →10 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.