1.31ct I SI1 Radiant Natural Diamond
EX • I/SI1 • GIA 1559553399
Certificate GIA 1559553399
Diamond specifications and retailer prices
About this 1.31ct natural radiant diamond
This 1.31ct natural radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1559553399. Listed at 8 retailers as of October 30, 2026, with prices from $2,748 to $5,889, a $3,141 spread on the same certified stone. NZ Jewellers lists it at $5,889. 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 →8 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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