0.43ct I SI2 Round Natural Diamond

About this 0.43ct natural round diamond

This 0.43ct natural round sits in the sub-half-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 607305619. Listed at 11 retailers as of October 28, 2026, with prices from $260 to $1,179, a $919 spread on the same certified stone. NZ Jewellers lists it at $1,179. 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.