A vintage Sapphire and Diamond cluster ringA fine cluster ring, set with an oval sapphire centre stone 7x5mm, (est 0. 75 carats) cornflower blue (origin Sri Lanka) in a platinum mille grain setting. Complimented by a border of fourteen old brilliant cut white diamonds, each 2. 4mm to an estimated total of 0. 70 carats. Colour H j, clarity Si. Head 13. 3x11. 9mm, depth 4mm, tests as platinum. Yellow gold under setting and band, tests as 18 carat gold, no hallmarks as period estimated at 1950