Real Vs. Fake Green Amethyst: 8 Ways To Spot The Differences To make a statement in any event or any occasion, then a green amethyst necklace is a beautiful choice; because of its alluring color, healing properties, and still a representation of devotion, love and trust, it is the ideal gift for your companion in the form of a promise ring, engagement ring or wedding ring. But to extract the benefits from this crystal, it is necessary to select the natural green amethyst crystal, and to determine if the gemstone is real or fake, we have to look at some of the factors that help in determining and selecting the original stone.