3.16ct E SI1 Marquise Lab Grown Diamond
ID • E/SI1 • IGI LG846637158
Shape and cutting style on the report: Marquise brilliant
Certificate IGI LG846637158
Diamond specifications and retailer prices
About this 3.16ct lab-grown marquise diamond
This 3.16ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG846637158 or 846637158. Listed at 3 retailers as of October 28, 2026, with prices from $390 to $4,770, a $4,380 spread on the same certified stone. Brilliant Earth lists it at $4,770. 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 →3 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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