2.51ct I SI1 Marquise Natural Diamond

About this 2.51ct natural marquise diamond

This 2.51ct natural marquise sits in the two to three carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2557879948. Listed at 15 retailers as of November 1, 2026, with prices from $22,780 to $40,447, a $17,667 spread on the same certified stone. MOH London lists it at $40,447. 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.