Natural Watermelon Pink Tourmaline Gemstone Necklace. Beautiful earthy natural pink Tourmaline. 50 gemstones. Just pink stones. This is a great dainty and feminine necklace. The gems are 3.5mm in size. The necklace length is 18-19". The chain is 14k gold plate and the clasp is 14k gold filled. Wear alone, jumble with other necklaces or add a pendant for a unique look. Shipping is Free!