15.11ct G SI1 Round Lab Grown Diamond
ID • G/SI1 • IGI LG577395292
Shape and cutting style on the report: Round brilliant
Certificate IGI LG577395292
Diamond specifications and retailer prices
About this 15.11ct lab-grown round diamond
This 15.11ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG577395292 or 577395292. Listed at 10 retailers as of October 30, 2026, with prices from $2,458 to $21,055, a $18,598 spread on the same certified stone. Adiamor lists it at $21,055. 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.