Luxury and the beauty of nature meet with this stunning Van Cleef & Arpels 18k Gold White Blue Agate Vintage Alhambra 10 Motif Necklace. This particular necklace features 18k yellow gold that encases Blue Agate in the iconic clover shape. The Alhambra collection has been a favorite among fans since the 1960s and it’s no surprise why. This gorgeous necklace …