This is an authentic VAN CLEEF & ARPELS 18k Yellow Gold Black Onyx 20 Motifs Vintage Alhambra Long Necklace. This stunning 18 karat gold necklace is a below the collar length chain with gold shamrock settings each encasing smooth black onyx. This is a marvelous necklace with the stylish elegance of Van Cleef & Arpels! Follow this item for alerts. Van Cleef & Arpels is a registered trademark of Van Cleef & Arpels. FASHIONPHILE is not affiliated with Van Cleef & Arpels.