A Ceylon sapphire and diamond ring by Percy Marks, the oval cut sapphire of 7.26cts having five round brilliant cut diamonds channel set to each shoulder totalling 1.25cts, mounted in 18ct white gold, ring size N, accompanied by a GSL report stating there is no evidence of heat treatment to the sapphire. Condition: ring presents in excellent condition and stones are secure in their settings. sapphire is fine medium to dark colour with no evidence of heat treatment. Diamonds are colour F, clarity Vs. Signed Percy Marks to inside of shank.