Gunmetal Grey Beaded Necklace and Earring Sets, Rhinestone Accents

I purchased this necklace and a silver version in New York City in 2009. I wore this gunmetal grey version to Fashion Week Tents and never wore it again.  It's a beautiful costume piece; the better end of inexpensive costume jewelry.  I don't know the exact materials and there is no maker's mark. I used to think the beads were high quality acrylic,  but they get cold easily,  so they may be hollow metal beads.  Necklace is not heavy at all, but also not too light.  Chain is metal and about 19 inches from end to lobster closure.  Larger end loops make the necklace adjustable. The Bead and rhinestone cluster is about 3 inches long (the drop) in center.  PLEASE SEE PICS.  Condition: Excellent condition. Worn once to NY Fashion Week.