925 Sterling Silver Black Onyx Necklace Decorative Diamond Shaped Pendant, 18" + 4" Extender Decorative Silver Necklace with Faceted Black Onyx Gemstone Pendant. Set with a Large Square 16mm Rose-cut Faceted Black Onyx Gemstone Square or Diamond Shaped Pendant measuring almost 1 3/8" in length (including the Decorative Bail) Stylish Silver and Black Onyx Necklace with an Orante Bail Made by Hand in our Jewelry Design Studio A Great Gift for Mom, Daughter, Sister, Wife or Girlfriend for Birthday, Anniversary, Valentines Day, Christmas or Graduation 18" chain + 4" Extender all in 925 Silver for adjustable length up to 22" You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!