Create beautiful Swarovski Crystal Jewelry with Swarovski Glass Pearls. Each Swarovski Pearl starts out with an inner core that is a Swarovski Crystal. The Swarovski Crystal Glass Pearl is then coated in several layers with Mother of Pearl to make a luminous beautiful shine. Swarovski Glass Pearls are known for being the highest quality glass pearl in the world. Our 4mm Swarovski Pearls are sold in strands of 50. Mix and Match Colors for Savings! Sold in Strands of 50 $5.00