0.51ct E SI2 Marquise Lab Grown Diamond
E/SI2 • 27DC3D9EBE
Diamond specifications and retailer prices
About this 0.51ct lab-grown marquise diamond
This 0.51ct lab-grown marquise sits in the half to three-quarter carat band, graded E colour (colourless) and SI2 clarity (slightly-included). Listed at 4 retailers as of October 27, 2026, with prices from $132 to $522, a $390 spread on the same certified stone. NZ Jewellers lists it at $522. 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 →4 retailers
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