1.20ct G SI1 Marquise Natural Diamond
VG • G/SI1 • IGI 801638156
Shape and cutting style on the report: Marquise brilliant
Certificate IGI 801638156
Diamond specifications and retailer prices
About this 1.2ct natural marquise diamond
This 1.2ct natural marquise sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 801638156. Listed at 20 retailers as of November 1, 2026, with prices from £2,238 to £5,240, a £3,003 spread on the same certified stone. NZ Jewellers lists it at £5,240. 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 →20 retailers
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