18 Karat Rose Gold Ring with Platinum Prong-Set Center Stone in Round Diamond Halo (0.12 tcw). High polish finish, band width 1.5 mm. Shown here with 6.5 mm 1 ct center CZ in size 6. Price is for mount only in sizes 4.5 – 6.5. Center diamond and other custom stone and ring sizes available upon request. Rose Gold Mount with Round Diamond Halo