1.00ct J SI2 Radiant Lab Grown Diamond
VG • J/SI2 • IGI LG407988532
Shape and cutting style on the report: Cut cornered rectangular modified brilliant
Certificate IGI LG407988532
Diamond specifications and retailer prices
About this 1ct lab-grown radiant diamond
This 1ct lab-grown radiant sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG407988532 or 407988532. Listed at 10 retailers as of October 29, 2026, with prices from €519 to €3,062, a €2,543 spread on the same certified stone. MOH London lists it at €3,062. 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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