"Cascades royales" ring

Cascades royales ring in white gold and yellow gold, set with a cushion-cut Muzo green emerald from Colombia of 4.08 carats, a marquise-cut D VVS2 diamond of 0.52 carat, a marquise-cut E VVS1 diamond of 0.50 carat, onyx, marquise-cut and brilliant-cut diamonds.