A DIAMOND AND ONYX 'PANTHER' RING, BY CARTIER

A DIAMOND AND ONYX 'PANTHER' RING, BY CARTIER
The pavé-set diamond band interspersed with buff-top onyx 'spots' to the brilliant-cut diamond line sides, with French assay marks for gold, with Cartier case
Signed Cartier, with indistinct number
Accompanied by a Certificate of Authenticity from Cartier