Vintage 1930s Sapphire Diamond 18ct White Gold RingHistorically it is believed sapphires symbolise truth, sincerity and faithfulness. It is also believed to have curative properties and to keep one safe from illness and protect against poison and spells. Sapphire is the birthstone of September. This fine 18ct white gold ring features a large 0. 5ct emerald cut blue sapphire gemstone alongside two 0. 04ct white diamonds. The sapphire has a beautiful depth to its colour, the cut of the stone catches the