A multi-gem and diamond 'Meteore' ring, by Marchak, Paris, of bombe design, the front of the ring mounted with a series of circular-shaped garnets, citrine, peridot and coloured sapphires, accented by round brilliant-cut diamonds, with polished half-hoop, signed Marchak, numbered 170202, diamonds approximately 0.12 carat, garnets approximately 1.72 carats, citrine approximately 0.30 carat, peridot approximately 0.42 carat, sapphires approximately 1.86 carats, mounted in 18 carat yellow gold, French assay mark, ring size M