Necklaces of different shapes and colors are lightly wrapped around the neck, made of materials such as gold, rare gemstones, or precious gemstones. Necklaces of different shapes and colors are lightly wrapped around the neck, made of materials such as gold, rare gemstones, or precious gemstones. The long necklace and the classic Van Cleef&Arpels Alhambra, launched in 1968 ® The Four Leaf Lucky series has the same style and can be worn in different ways to match the appearance of different occasions. The long necklace is similar to the classic Van Cleef&Arpels Alhambra launched in 1968 ® The Four Leaf Lucky series has the same style and can be worn in different ways to match different occasions.