Are you searching for a special and different gift for yourself or for the man in your life? A Lab Sapphire men's ring makes for a distinct and stylish statement about the man who wears it. 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. 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.