9 carat yellow gold amethyst and diamond ringthe amethyst gemstone is the most popular and mystical of all gemstones the hand cut amethyst gemstone and diamonds set on a 9ct yellow gold ring band allows the wearer to capture the true beauty of the amethyst gema diamond is the birthstone for the month of april zodiac stone for aries 21st march 20th april given as the 10th 60th and 75th wedding anniversary stone amethyst information birthstone february zodiac pisces wedding anniversar