An Art Deco blue zircon pendant

An Art Deco blue zircon pendant, designed as a round mixed cut blue zircon suspendng elongated bar set with seven square faceted white stones, all set with a further round mixed cut blue zircon drop, all set in white metal with attached white metal chain, the bolt ring clasp stamped '9ct', length of chain approx 38cm, length of pendant approx 50mm, total weight approx 8.7g Zircons measure approx 15mm diameter x 8.5mm deep and 11mm x 7.1mm deep, some slight abrasion to the facet edges and the girdles with some very small nicks, some small internal inclusions, white stones are possibly rock crystal but unable to get reading on refrectometer, general wear to mount and chain but no significant visible damage, refer to images