1.57ct I SI2 Cushion Lab Grown Diamond
GD • I/SI2 • IGI LG436045066
Shape and cutting style on the report: Square cushion brilliant
Certificate IGI LG436045066
Diamond specifications and retailer prices
About this 1.57ct lab-grown cushion diamond
This 1.57ct lab-grown cushion sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade and certified by IGI LG436045066 or 436045066. Listed at 5 retailers as of October 29, 2026, with prices from £292 to £1,268, a £976 spread on the same certified stone. MOH London lists it at £1,268. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.
The 4Cs
Specifications
Caratlytics Score
How it works →5 retailers
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