1.59ct G SI1 Round Lab Grown Diamond
ID • G/SI1 • IGI LG818686409
Shape and cutting style on the report: Round brilliant
Certificate IGI LG818686409
Diamond specifications and retailer prices
About this 1.59ct lab-grown round diamond
This 1.59ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG818686409 or 818686409. Listed at 15 retailers as of November 1, 2026, with prices from $284 to $1,646, a $1,363 spread on the same certified stone. MOH London lists it at $1,646. 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 →15 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.
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