1.50ct I SI2 Marquise Lab Grown Diamond
ID • I/SI2 • IGI LG436072051
Shape and cutting style on the report: Marquise brilliant
Certificate IGI LG436072051
Diamond specifications and retailer prices
About this 1.5ct lab-grown marquise diamond
This 1.5ct lab-grown marquise sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436072051 or 436072051. Listed at 9 retailers as of October 31, 2026, with prices from £627 to £3,100, a £2,473 spread on the same certified stone. MOH London lists it at £3,100. 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 →9 retailers
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