Need help choosing an engagement ring? Perhaps the answer is in the stars. According to horoscope and tarot reader Mystic Medusa, looking to your star sign for guidance is a century-old concept that notes each sign of the Zodiac is linked to certain herbs, scents, colours, flowers, and of course, gemstones. “Everything in the universe is not only linked, but in complex relation to one another. Gemstones are also symbolic ‘earth,’ so wearing the right one for you helps keep you grounded and sere