This is a vintage Van Cleef & Arpels piece from the Alhambra collection. Below is a link to the current version of this design.

“Faithful to the very first Alhambra jewel created in 1968, the Vintage Alhambra creations by Van Cleef & Arpels are distinguished by their unique, timeless elegance. Inspired by the clover leaf, these icons of luck are adorned with a border of golden beads.” – vancleefarpels.com