Her beautiful birthstone and elegance perfectly combine in this round blue lab-created sapphire solitaire bypass ring - a simple look she'll want to wear with everything. Crafted in warm 10K gold This style simply glistens with a 6.0mm bright blue lab-created sapphire in a classic four-prong setting. The subtle bypassing shank adds a playful touch. Blue sapphire is the traditional birthstone for September and symbolizes truth, sincerity and commitment.