An opal, diamond and demantoid garnet collier, the front section designed as five graduated oval clusters, each with a central solid white opal surrounded by alternating round demantoid garnets and brilliant cut diamonds, and supporting similar elongated pear shaped drops, on a collar of similarly set pierced oval links. 18ct white gold. Total opal weight 27.11 carats. Total garnet weight 14.32 carats. Total diamond weight 17.18 carats. Weight 90 grams.