0.40ct E SI1 Cushion Lab Grown Diamond
VG • E/SI1 • IGI LG764635904
Shape and cutting style on the report: Square cushion modified brilliant
Certificate IGI LG764635904
Diamond specifications and retailer prices
About this 0.4ct lab-grown cushion diamond
This 0.4ct lab-grown cushion sits in the sub-half-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG764635904 or 764635904. Listed at 6 retailers as of October 29, 2026, with prices from $102 to $640, a $538 spread on the same certified stone. MOH London lists it at $640. 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 →6 retailers
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