0.30CT Round Moissanite Square Setting Ring - D VVS1 925 Sterling SilverPrecision Is Its Own Kind of Beauty. Discover the most architecturally considered ring in the AURUM LUXE fine jewellery collection with our 0. 30CT Round Moissanite Square Setting Ringa breathtaking masterpiece of geometric restraint where the most deliberate design choices create the most quietly powerful statement. A perfectly round 0. 30 carat moissanite, graded D colour and VVS1 claritythe absolute pinnacle of gemstone gradingis held within a