This is Van Cleef & Arpels Vintage Alhambra 2022 Holiday Diamond Green Celadon Sèvres Porcelain Pendant necklace. The VCA Vintage Alhambra Limited Edition necklace is crafted of 18 karat white gold and features an Alhambra clover motif set with light blue porcelain and a single bezel-set round brilliant cut diamond …