From the French for 'a thousand grains', the tiny beads of a milgrain accent can add complexity and detail to a Amethyst design, as well as create a vintage or antique look. As the gem of peace and tranquility, amethyst is mesmerizingly beautiful. A durable and affordable gem, an amethyst ring is excellent for every day wear. Sapphire is the birthstone of September, and pink sapphire is a very popular gemstone in jewelry today. The bright and happy color of a pink sapphire ring is both playful and trendy.