Coloured Gemstones /Coloured Gemstone Rings 18ct White Gold Blue Tourmaline and Diamond Ring PRICE: $8980 SKU: 040015 A fine inky blue tourmaline, an opulent display of diamond, 18ct white gold and luxurious styling combine to create a timeless piece of jewellery that is quite simply divine. Contact Print 9ct White Gold Cushion Cut Tanzanite And Diamond Ring 14ct Yellow Gold Ruby and Diamond Ring