Made with 925 Sterling Silver and 18k gold plating the Birdie Graduating Clavicle Necklace necklace is both elegant and durable. The main stone is a stunning zirconia, surrounded by graduating stones that go from large to small, culminating in the shimmering centerpiece. The unique and delicate design ensures that this piece of jewelry looks great on its own or layered with other necklaces. This necklace is perfect for anyone who wants to commemorate their graduation or simply add some sparkle to their outfit.