NECKLACE In soft drapery of white gold and brilliant-cut diamonds weighing approximately 26 carats, set with a series of large rectangular-cut blue topazes. The clasp is formed by a faceted topaz button. A diamond, blue topaz and 18k gold necklace. RC: Internal length: approx. 38 cm Total weight of the topazes approx. 500 cts. (The colour of the stones is probably the result of a "Blue London" treatment). Total weight of diamonds: approx. 26 cts Gross weight: 204.8 g (18k - 750)