This beautiful necklace is handcrafted from black freshwater pearls, matte onyx gemstones and a 14k gold vermeil closure. The freshwater pearls are known for their lustrous beauty, while the matte onyx gemstones add a touch of elegance. The 14k gold vermeil closure ensures that this necklace will last for many years to come.. SizeLength is 16". 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.