Hello, what brand of necklace is the black cross? The black cross is a Van Cleef & Arpels necklace. Van Cleef & Arpels' black cross symbol is one of its iconic symbols, representing its high-end exquisite craftsmanship and design. One of Van Cleef & Arpels' most famous and classic jewelry designs is the "Alhambra four-leaf clover" series, which matches the shape of the black cross. This design was inspired by the historical site of Spanish Muslim Alhambra, and the designer of Van Cleef & Arpels was inspired to transform it into the shape of a four-leaf clover and give it meaning. Each four-leaf clover represents luck, health, wealth and love.