Sterling Silver White Shell Pearl South Sea Look Necklace 16mm - Perfect Gift 18" Princess Length White Shell Pearl Necklace with a South Sea Look - Get the feel of South Sea Pearls for Shell Pearl Prices Big 16mm High Luster White Shell Pearls with a Sterling Silver Clasp Most Appreciated Birthday Gift for your Loved Ones. This Shell Pearl Necklace is a gift everyone will enjoy. A feminine piece of jewelry which can be worn to work, a day at the mall or a wedding party. Always a classic! Forever a favorite. Pearl Necklaces are available in many colors, sizes and shapes. Different metals are also available. If you don't see it listed contact us for more options.