0.91ct D SI1 Marquise Lab Grown Diamond

About this 0.91ct lab-grown marquise diamond

This 0.91ct lab-grown marquise sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG783655428 or 783655428. Listed at 17 retailers as of October 30, 2026, with prices from $126 to $1,300, a $1,174 spread on the same certified stone. MOH London lists it at $1,300. 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.