A fabulous Sapphire and Diamond RingA lovely early 20th century cluster ring containing an lovely blue sapphire centre stone 6x5mm (est 0. 70 carats) , mille grain setting. Surrounded by ten old cut white diamonds, each 2. 4mm (est. 0. 50 carats) colour F h, clarity Si. All are set into platinum (tested as such). Head 13x11mm, depth 4mm, weight 2. 8grams. Shank stamp 18CT PLAT. Under setting and shank test as 18 carat yellow gold. Period assessed as 1920 1930. Fine overall condition,