0.42ct J SI1 Oval Natural Diamond

About this 0.42ct natural oval diamond

This 0.42ct natural oval sits in the sub-half-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 774683591. Listed at 10 retailers as of October 30, 2026, with prices from $270 to $1,225, a $955 spread on the same certified stone. NZ Jewellers lists it at $1,225. 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.