0.90ct J SI1 Marquise Natural Diamond

About this 0.9ct natural marquise diamond

This 0.9ct natural marquise sits in the just-under-one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 649447516. Listed at 14 retailers as of October 30, 2026, with prices from $1,238 to $3,385, a $2,147 spread on the same certified stone. NZ Jewellers lists it at $3,385. 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.