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 top-tier cut grade and certified by IGI LG462171282 or 462171282. Listed at 11 retailers as of October 29, 2026, with prices from $174 to $1,016, a $842 spread on the same certified stone. MOH London lists it at $1,016. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.