0.43ct E SI1 Cushion Natural Diamond

About this 0.43ct natural cushion diamond

This 0.43ct natural cushion sits in the sub-half-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566124431. Listed at 15 retailers as of November 4, 2026, with prices from $603 to $1,425, a $822 spread on the same certified stone. MOH London lists it at $1,425. 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.