0.50ct D SI2 Marquise Natural Diamond

About this 0.5ct natural marquise diamond

This 0.5ct natural marquise sits in the half to three-quarter carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 1487472000. Listed at 19 retailers as of October 30, 2026, with prices from £354 to £1,500, a £1,146 spread on the same certified stone. NZ Jewellers lists it at £1,500. 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.