1.64ct J SI1 Marquise Lab Grown Diamond
VG • J/SI1 • IGI LG436046504
Shape and cutting style on the report: Marquise brilliant
Certificate IGI LG436046504
Diamond specifications and retailer prices
About this 1.64ct lab-grown marquise diamond
This 1.64ct lab-grown marquise sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG436046504 or 436046504. Listed at 10 retailers as of November 1, 2026, with prices from €1,408 to €4,663, a €3,255 spread on the same certified stone. MOH London lists it at €4,663. 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 →10 retailers
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