1.00ct J SI2 Oval Lab Grown Diamond
VG • J/SI2 • IGI LG450027318
Shape and cutting style on the report: Oval brilliant
Certificate IGI LG450027318
Diamond specifications and retailer prices
About this 1ct lab-grown oval diamond
This 1ct lab-grown oval 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 LG450027318 or 450027318. Listed at 5 retailers as of October 26, 2026, with prices from $1,042 to $1,994, a $952 spread on the same certified stone. MOH London lists it at $1,994. 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 →5 retailers
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