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,
collet set to a square diamond cluster panel, full tapering side panel shoulders set with calibre sapphires forming darts to a diamond ground, the diamonds all of circular single cut, openwork twin wire shank back, mounted in platinum, with a French control mark for import or item of unknown French origin Square cluster panel 12.5 x 12.5mm
Principal sapphire approximately 8.7 x 8.5 x 5.3mm Weight: 7.5g
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,