Sterling Silver 925 Pear Shaped Sapphire / Montana Blue Ring. Features a Stunning Pear Shaped Blue CZ that measures 6mm x 10mm (1.75 Ct.). On each side of the Pear there are 3 Marquise Shaped Clear CZs that measure 1mm x 4mm. Width is 10mm. High Polished. Weight 6.10gm.