Gemondo Bague Amethyste, 9 CT or Jaune Améthyste & Diamant Classique Robe Bague Solitaire - AméthysteAbout This Item A colourful dress ring with a central purple amethyst and dainty diamond accents on a hallmarked 9ct yellow gold stylised band. Gemstone Information Amethyst gemstones are both vivid in colour and wonderfully clear. Believed by some to bring a clear mind, wine cups carved out of amethyst are said to have been used by the ancient Greeks to maintain sobriety. Amethyst is the February birthstone and may be given as a 6th anniversary gift.