A good 18ct75% pure gold (or 750 parts pure gold and 250 parts other metals) More white goldWhite gold is an alloy of gold and at least one other white metal - most often nickel or palladium (both of which act as a bleaching agent to reduce the natural yellow colour of the gold). More ring that was made in London in 1984. It has been set with an amethystOne of the most popular gemstones, which has long been considered valuable. Amethysts range in colour from light to dark purple; the deeper purple stones are considered to be the finest. More surrounded by small diamonds. The amethyst is a good rich purple with hints of red in certain lights. Amethyst is a semi-precious stone in today’s classifications, but to the ancients, it was a “Gem of Fire”  a Precious Stone worth, at times in history, as much as a DiamondA precious, lustrous gemstone made of highly compressed carbon. Diamonds are one of the hardest materials known to mankind. Colours of diamonds range from colourless, yellow, orange and brown to almost black. Natural coloured (or ‘fancy’) diamonds can be extremely rare. The cut, colour, clarity and carat weight of a diamond are the criteria jewellers use... More.  Amethyst has always been associated with February, the month the Romans dedicated to Neptune, their water-god. Therefore, it should be no surprise that it is the traditional birthstoneEach month has a particular gemstone associated with it. Each stone is thought to be lucky for the person born in that month. More of that month. It is the stone of St. Valentine and faithful love and signifies ecclesiastical dignity as the Bishop’s Stone. A lovely ring to wear.