Pearl and Black Onyx and Agate Necklace 
  Chic necklace of polished black onyx, styled with three creamy white baroque pearls and cream agate pendant drop.
Onyx measure 12 x 10mm
Pearls measure 15mm.
Agate measures 60 x 45mm
Silver Clasp.  Necklace length 17.5 inches
 
The Pietre d'amore necklace can be lengthened or shortened.
Gem measurements approximate.