0.40ct D SI2 Round Natural Diamond

About this 0.4ct natural round diamond

This 0.4ct natural round sits in the sub-half-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 2506051045. Listed at 17 retailers as of October 23, 2026, with prices from $432 to $2,297, a $1,865 spread on the same certified stone. NZ Jewellers lists it at $2,297. 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.