Rose Gold Plated Cluster Studs Blue Sapphire & Diamond Earrings Perfectly balanced between style and simplicity, these earrings are ideal for daily elegance with a hint of sparkle. They feature a round, deep blue color Blue Sapphire as the center stone, surrounded by a halo of smaller diamonds.These earrings are likely stud earrings, designed to sit directly on the earlobe. Perfectly balanced between style and simplicity, these earrings are ideal for daily elegance with a hint of sparkle. The halo setting, where smaller diamonds encircle the center stone, is a classic design that adds sparkle and makes the center stone appear larger. The addition of pear-shaped diamonds adds a unique touch to the design.