1.51ct E FL Marquise Lab Grown Diamond
VG • E/FL • IGI LG823695036
Shape and cutting style on the report: Marquise brilliant
Certificate IGI LG823695036
Diamond specifications and retailer prices
About this 1.51ct lab-grown marquise diamond
This 1.51ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG823695036 or 823695036. Listed at 21 retailers as of October 30, 2026, with prices from £600 to £2,873, a £2,273 spread on the same certified stone. Brilliant Earth lists it at £2,873. 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 →21 retailers
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