This very pretty hinged hoop has a 8mm or 10 mm diameter and features Simulated Diamonds crafted with a Rose Gold or Yellow Gold finish.  
 
Specifications 
 
Stone Type: Simulated Diamond
Base Material: 316L Surgical Steel
Diameters Available:
                                ~ 8 mm
                          ~ 10 mm
Finishes Available:
                           ~ 14K Rose Gold Ion-Plated
                           ~ 14K Yellow Gold Ion-Plated