Van Cleef & Arpels Diamond Fleurrette Flower 18KT yellow gold Bypass Ring #50/ 5 Posted on March 4, 2021 by admin MTSJ12951Brand Van Cleef & Arpels. Check my five-Star customer service score! The item van cleef & arpels diamond fleurrette flower 18kt yellow gold bypass ring #50/ 5 is in sale since Thursday, July 30, 2020. Size US 5- 5.25.