An opal and diamond heart pendant necklace, 13 x 13 mm heart shape cabochon black opal to surround, surmount and bale set with 40 round brilliant cut diamonds in 18ct white gold, size 24 x 17 mm, wt. 3.24g, on a 9ct white gold fancy link chain with parrot clasp, length 45 cm, wt. 3.73g.