0.50ct I SI2 Round Natural Diamond

About this 0.5ct natural round diamond

This 0.5ct natural round sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 2568279802. Listed at 16 retailers as of October 30, 2026, with prices from $334 to $1,667, a $1,333 spread on the same certified stone. NZ Jewellers lists it at $1,667. 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.