This beautiful necklace is handmade from a black freshwater pearl. The pearl is caged in sterling silver chain, giving it a unique and eye-catching look. Adding an extra level of sophistication and style, this necklace is sure to become the highlight of any outfit.. Length: 18". Positively Conscious. We've partnered with Greenspark, a climate change program that allows MHART to plant a tree or remove one piece of plastic from the ocean for every website purchase.