1.51ct G SI1 Round Natural Diamond

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 5533597927. Listed at 26 retailers as of October 30, 2026, with prices from $7,385 to $17,229, a $9,843 spread on the same certified stone. NZ Jewellers lists it at $17,229. 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.