Early 20th century onyx and French cut diamond ring, c.1915,

Early 20th century onyx and French cut diamond ring, c.1915,
Price: £10,000-£20,000
Ref No. 03743
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Description
the cut-corner rectangular onyx panel of low dome form, topped by a French-cut diamond between diamond line straps extending down the shoulders, the small diamonds of old round brilliant cut, millegrain set and to the onyx collet edge, pierced gallery
Length 1.4cm / 9/16''
Width 1.3cm / ½''
French cut diamond 5.45 x 5.40 x 4.45mm
Weight: 6g
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S.J. Phillips