3.70ct I SI1 Marquise Lab Grown Diamond
ID • I/SI1 • IGI LG816628432
Shape and cutting style on the report: Hexagonal modified brilliant
Certificate IGI LG816628432
Diamond specifications and retailer prices
About this 3.7ct lab-grown marquise diamond
This 3.7ct lab-grown marquise sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG816628432 or 816628432. Listed at 6 retailers as of November 2, 2026, with prices from $2,663 to $3,330, a $667 spread on the same certified stone. MOH London lists it at $3,330. 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 →6 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.