Diamond, sapphire and gold stepped bombe ring, French, workshop mark for Henri Lavabre, in the form of a broad arching scroll pave set with calibre sapphires and topped by a carre cut square diamond, approximately 1.45ct,
the sapphires with diamond collet studs between, stepped at the sides to a diamond cluster panel adjoining with a diamond baton the stepped broad gold shank, mounted in 18ct gold and platinum to the diamonds, the back of the shank with the workshop mark and French assaymarks for gold and platinum, the remainder of the diamonds approximately 1.05ctsHeight of head 1.3cm / ½''
Width of head 1.9cm / ¾''Weight: 32g
Early 20th century diamond and sapphire 'eye' cluster ring, French c.1910, with an old European cut diamond brilliant to centre, approximately 0.90ct, flanked by tapering calibre cut sapphires in a millegrain scalloped edged border of small old single cut diamonds, mounted in platinum, trace of French assaymark and workshop mark
Diamond, sapphire and gold stepped bombe ring, French, workshop mark for Henri Lavabre, in the form of a broad arching scroll pave set with calibre sapphires and topped by a carre cut square diamond, approximately 1.45ct,