0.30ct K SI2 Round Natural Diamond

About this 0.3ct natural round diamond

This 0.3ct natural round sits in the sub-half-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a standard cut grade and certified by GIA 7406908205. Listed at 15 retailers as of November 4, 2026, with prices from £114 to £607, a £493 spread on the same certified stone. NZ Jewellers lists it at £607. 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.