Jeweled crystal rhinestone statement necklace

black and silver rhinestone & jewels costume jewelry all crystals & jewels intact gunmetal colored chain jewel portion is 7 3/4" in width of all jewels from left to right one side to another laid flat 1 3/4" height for jewels necklace is approx 22" long to the Lobster clasp new without tags. sits in my jewelry tray Light markings on the back side (all new necklaces were like this probably from rubbing the package it's attached to - see photos) - can't be seen when worn anyways