This stunning emerald cut amethyst has a rich purple colour and weighs up as 7ct.
Its set in 18ct white gold and feactures 'talon claws' on each corner of the stone.
The surrounding diamonds are all G/H colour and really compliment the beautiful central stone.
This can be view in Sidwell St, Exeter.
Amethyst owes its color to iron and aluminum impurities. The colors range from purple and violet to pale red-violet.
The deep colors are the most valuable, particularly a rich purple.