4.51ct I IF Marquise Natural Diamond
VG • I/IF • IGI 790643476
Shape and cutting style on the report: Marquise brilliant
Certificate IGI 790643476
Diamond specifications and retailer prices
About this 4.51ct natural marquise diamond
This 4.51ct natural marquise sits in the three to five carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI 790643476. Listed at 20 retailers as of November 1, 2026, with prices from €48,543 to €87,724, a €39,181 spread on the same certified stone. MOH London lists it at €87,724. 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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