A RENE BOIVIN DIAMOND ART DECO BROOCH

set in platinum, the exquisite diamond brooch is centred by a pierced openwork seamed half-sphere, channel and grain set with Old European cut diamonds; leading to a mirrored open geometric softly domed extension pavé set with rose cut diamonds. A box of polished platinum with a drop-set Old European cut diamond complete the piece. Fitted with a straight bar with threaded barrel fitting. Estimated total diamond weight: 5.55cts. Assessed diamond colour: G-I. Assessed diamond clarity: VVS-SI. Signed with French Marks and René Boivin's makers mark, in the original René Boivin's fitted box.