A diamond pendant

A diamond pendant, Tiffany & Co., and a group of jewellery, comprising: a pendant designed as a cross, set with brilliant-cut diamonds, to a fine platinum chain, cross and chain signed Tiffany & Co. and T&Co respectively, each stamped PT950, pendant length 1.8cm, chain 44cm; a gold ring and pendant, each set with an oval citrine, ring size L1/2, stamped 750, pendant length 2.4cm, chain length 44cm; and a silver ring and pendant set with mixed-cut prasiolites within borders of brilliant-cut diamonds, ring size O1/2, pendant length 3cm, each stamped 925