Make a glamorous statement with black necklaces! Black colored gemstones used in black necklaces include black sapphire, diamonds, tourmaline, zircons and others. When these beautiful gemstones are encrusted in necklaces, they make a statement piece. Black is one color that looks so gorgeous on all outfits. A black necklace just looks so dreamy on a party gown or a chic attire. Here we have collated sophisticated black necklace designs. Take a tour!