0.59ct H SI1 Cushion Natural Diamond

About this 0.59ct natural cushion diamond

This 0.59ct natural cushion sits in the half to three-quarter carat band, graded H 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 6233993703. Listed at 14 retailers as of November 4, 2026, with prices from $389 to $1,026, a $637 spread on the same certified stone. MOH London lists it at $1,026. 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.