0.45ct F SI2 Marquise Lab Grown Diamond
VG • F/SI2 • GCAL 302950023
Shape and cutting style on the report: Marquise brilliant
Certificate GCAL 302950023
Diamond specifications and retailer prices
About this 0.45ct lab-grown marquise diamond
This 0.45ct lab-grown marquise sits in the sub-half-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GCAL 302950023. Listed at 8 retailers as of October 29, 2026, with prices from $126 to $808, a $682 spread on the same certified stone. MOH London lists it at $808. 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 →8 retailers
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