Sistema Ring (0.1 CT, Diamond Slab, 4mm, MA+DIA) – Parts of Four,PARTS OF FOUR - Sistema Ring (0.2 CT Blue Diamond Slab, 9mm, MA+BDIA) – Atelier New York,Sistema Ring,PARTS OF FOUR - Sistema Ring (Terrestrial Surfaced, 3 Winza Sapphires, – Atelier New York,Sistema Ring (Mega Pavé, 9mm, DA+DIA),