S925 Sterling Silver Cross-Border Novel Blue Moonstone Line Hollow-Out Niche Design Open-End Ring. This exquisite open-end ring features an innovative hollow-out niche design with a captivating blue moonstone set in sleek sterling silver. The adjustable open-end design ensures a perfect fit for any finger, while the intricate linear patterns and minimalist cross-border style create a modern yet elegant statement piece. Ideal for both casual and formal occasions, this ring combines artistic craftsmanship with celestial inspiration, making it a unique accessory that symbolizes mystery and sophistication.