72 An exceptional quality & scarce Burmese ruby 3 stone ring surrounded by diamonds finely mounted in platinum & marked 91 zolotnik pure 1908-1917 Band E
71 An unusual 18ct gold & platinum calibrated ruby, sapphire, emerald & diamond “Turban” swirl cluster ring C1925 Band D
70 K768 An 18ct rose gold single stone ring set with a natural colour changing purple/blue sapphire C1900 Band C
69 A scarce & fine 1.20ct Russian demantoid garnet & diamond cluster ring mounted in platinum C1925 Band E
68 K780 A fine platinum baguette cut sapphire & diamond cluster ring with fancy cut sapphires & diamond set shoulders C1920 Band D
66 A platinum calibrated fancy cut natural Colombian emerald & diamond marquise ring with diamond centre C1925 Band E