0.31ct H SI1 Marquise Lab Grown Diamond
GD • H/SI1 • IGI LG544242229
Shape and cutting style on the report: Marquise brilliant
Certificate IGI LG544242229
Diamond specifications and retailer prices
About this 0.31ct lab-grown marquise diamond
This 0.31ct lab-grown marquise sits in the sub-half-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG544242229 or 544242229. Listed at 11 retailers as of October 29, 2026, with prices from $87 to $794, a $707 spread on the same certified stone. MOH London lists it at $794. 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 →11 retailers
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