0.30ct F SI2 Cushion Natural Diamond

About this 0.3ct natural cushion diamond

This 0.3ct natural cushion sits in the sub-half-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6555708937. Listed at 9 retailers as of October 31, 2026, with prices from $260 to $839, a $579 spread on the same certified stone. MOH London lists it at $839. 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.