Set in 14K white gold, two circles of sapphires, rubies and diamonds spin freely around these brilliant center stars. Total diamond weight is 0.44ct., 0.20ct. in sapphires, and 0.20ct. in rubies. These unique and eye-catching earrings utilize a stainless steel center shaft for strength and durability and a precision ball bearing system for movement. All of the other parts of the earrrings are solid 14k Gold. These earrings are precision engineered with a counter balance to create smooth, fluid movement. Teufel motion earrings require virtually no special care (beyond that which you treat your other fine jewelry items) and are VERY durable, providing the fun without the fuss!