A fine vintage Sapphire and Diamond ringA vintage cluster ring featuring to the centre a dark ink blue sapphire, 6. 85mm (1. 04 carats est), claw set Complimented by an outer border of eight old brilliant cut white diamonds, each 3. 35mm and an estimated total of 0. 75 0. 80 carats. Colour H j, clarity Si2 P1. The head tests as platinum with a diameter of 11. 8mm, depth 6. 3mm. Ring weight 4. 6grams. The band and under setting test as 18 carat yellow gold. Period has been estimated at