This brand new 18 inch necklace is a genuine .925 sterling silver link style necklace with a lobster clasp closure and it features multishape genuine black onxy stones. This fine silver necklace features rectangular shape black onyx stones measuring approximately 11 millimeters by 25 millimeters, soft square shape black onyx stones measuring approximately 17.5 millimeters, and oval black onyx stones measuring approximately 14 millimeters by 20 millimeters. Rounding out the design is a pear shaped black onyx drop measuring approximately 15 millimeters by 19 millimeters! Elegant and sophisticated, this gorgeous necklace will enhance even the finest attire!