Exclusively Ours! Embellished with a brown diamond surround, Robert Marroni's 18k rose gold necklace features an oversize smoky quartz and mother-of-pearl disc circular pendant on a delicate cable chain. .82 ct brown diamonds, round smoky quartz cabochon, mother-of-pearl. 18k rose gold. Mother-of-pearl inlay at pendant's back. 16.5" chain length, approximately; 30mm pendant drop, approximately. Lobster claw clasp.