An Art Nouveau necklace set with turquoise and diamond.  An open wirework pendant set to the centre with cabochon cut turquoise stones and two old cut diamonds. The diamonds are estimated to weight 0.25ct each and they have colour and clarity assessed as I/J/K an SI/SI2 The pendant suspends from a round cabochon cut turquoise in a yellow  gold collar setting which is attached on each side to a length of yellow gold trace linkd chain additionally set with four oval cabochon cut turquoise.  The chain length is approx. 15 inches long and the pendant drop is 2 inches long include the chain section from which is suspends.  The approximate maximum width of the pendant is 0.75 inch.  Fastening with a bolt ring catch stamped 14k.  Testing as 14ct yellow gold.