1.77ct J SI1 Radiant Lab Grown Diamond
EX • J/SI1 • IGI LG619445868
Shape and cutting style on the report: Cut cornered rectangular modified brilliant
Certificate IGI LG619445868
Diamond specifications and retailer prices
About this 1.77ct lab-grown radiant diamond
This 1.77ct lab-grown radiant sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG619445868 or 619445868. Listed at 5 retailers as of October 27, 2026, with prices from $335 to $1,275, a $940 spread on the same certified stone. MOH London lists it at $1,275. 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 →5 retailers
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