between baguette cut diamond shoulders, mounted in platinum, signed 'CHAUMET' within, Chaumet workshop mark to back of shank, French assaymark for platinum, accompanied by GIA report no. 6223770879 for the 6.37ct diamond giving the E SI2 grade and the diamond shows no fluorescence Diamond 10.73 x 10.00 x 7.29 Weight: 5.5g
Early 20th century ruby and diamond vertical rectangular cluster ring, c.1915, of openwork form set with the three oval cut Burma rubies in a line, of approximately 1.00ct to centre and 0.70ct above and below,