0.30ct E SI1 Round Lab Grown Diamond

About this 0.3ct lab-grown round diamond

This 0.3ct lab-grown round sits in the sub-half-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG480170696 or 480170696. Listed at 11 retailers as of October 26, 2026, with prices from $174 to $1,012, a $838 spread on the same certified stone. MOH London lists it at $1,012. 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.