4 Sterling Silver Pearl Enhancers Great for Enhancing Pearls & Beads. This is a new set of 4 sterling silver pearl enhancers. Great for enhancing pearls and beads. Each has a lock with a hinge that opens and closes with ease. All have a closed loop on the bottom so you can dangle a pearl, charm or any gemstone. All are stamped .925 which is the European equivalent of sterling silver. Each measures approximately 12 x 8 mm (1/2" x 5/16").