Matrix Tennis necklace Crystal pearl, Round cut, White, Rhodium platedProduct Details For a true expression of elegance, this Matrix necklace is an essential choice. The all around design is rhodium plated and features alternating Swarovski Zirconia and small Swarovski Crystal Pearls in a seamless and sophisticated row. An additional extender allows you to adjust the fit to your preferred size. Its the ideal blend of modern and classic styles and gives you a go to piece of jewelry whenever refinement is called for.