with 18 round brilliant cut diamonds box collet set in arch links, joined by two-stone square cut diamond bars, channel set, mounted platinum, signed 'Cartier London', rubbed serial number possibly 5835, total diamond weight approximately 5.55cts, accompanied by IAJA Expertise report no. XP1945-171024 signed by Olivier Bachet & Bernhard Berger declaring that in their opinion this is a 'genuine Cartier item' from Cartier London c.1931 Length 17cm / 6�''
Width 0.4cm / 3/16'' Weight: 20.5g
Early 20th century ruby and diamond cluster ring, c.1910, the oval facetted Burma ruby of approximately 2.60ct, to a cut-corner rectangular diamond set double border,
Late 19th century five stone ruby ring, c.1890, the graduated cushion cut Burma rubies, approximately 4.10cts, with eight rose cut diamond points in between, to a pierced and scroll engraved gallery, fluted shoulders, mounted in 18ct gold, stamped '18CT', accompanied by GCS report no. 5776-4880 giving a Burma origin opinion for the rubies and that they show no evidence of heat treatment
Art Deco single stone sapphire and diamond cluster ring, c.1925, the canted square sapphire of approximately 4.00ct, between calibre sapphire and diamond dart shoulders,