An 18 Karat Yellow Gold, Onyx and Diamond Ring, Joseph Weisager, Circa 1972, containing one lozenge shape onyx plaque measuring approximately 35.00 x 22.00 mm surmounted with 13 round brilliant cut diamonds weighing approximately 0.60 carat total. Stamp: J.W. 750 FRANCE 18K (French hallmarks). 12.00 dwts. Estimate 600-800 Please contact the jewelry department for any additional information or questions you may have regarding this lot. The ring is an approximate size 6 on the mandrel.