From the French for 'a thousand grains', the tiny beads of a milgrain accent can add complexity and detail to a Alexandrite design, as well as create a vintage or antique look. The birthstone of June, Alexandrite is an amazing and mysterious stone. A created alexandrite ring is a unique and entertaining attention getter. Sapphire is the birthstone of September, and one of the most popular gemstones on the jewelry scene today. The deep blue color of a sapphire ring is just right for an evening out.