1.30ct D SI1 Radiant Lab Grown Diamond
ID • D/SI1 • IGI LG648436048
Shape and cutting style on the report: Cut cornered rectangular modified brilliant
Certificate IGI LG648436048
Diamond specifications and retailer prices
About this 1.3ct lab-grown radiant diamond
This 1.3ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG648436048 or 648436048. Listed at 16 retailers as of October 30, 2026, with prices from $154 to $1,046, a $892 spread on the same certified stone. Reve Diamonds lists it at $1,046. 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 →16 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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