Natural Green Chrome Diopside Gemstone Necklace. A solid strand of faceted natural chrome diopside gemstones. The gems are 3.0 - 4.0mm in size. The necklace length is 18-19". The chain and lobster clasp are 14k gold filled or sterling silver - you choose. Wear alone, jumble with other necklaces or easily add a pendant for a unique look. The stones are graduated in size to larger 4.0mm stones in the middle. This gem has the look of green emeralds and great sparkle. Shipping is Free!