Van Cleef & Arpels' Instagram feed is full of behind the scenes shots, like this design sketch of the Émeraude de majesté necklace, mixed with red carpet celebrities wearing their decadent jewels. Image: @vancleefarpels Instagram

Van Cleef & Arpels' Instagram feed is full of behind the scenes shots, like this design sketch of the Émeraude de majesté necklace, mixed with red carpet celebrities wearing their decadent jewels. Image: @vancleefarpels Instagram