Silver's reflectivity is the highest of any metal, and polished sterling silver shows that property in practice as a mirror-like finish the material produces on its own terms, without any surface application.
Stone Story
The confusion between lab-grown diamond and cubic zirconia is understandable. Both are lab-created, both simulate diamond visually. But a lab-grown diamond is an actual diamond while CZ is zirconium oxide. The lab origin is the only real thing they share.
A Storied Heritage
Crown jewels of Iran, Russia, and Britain all include emeralds, and the Duchess of Cambridge's emerald and diamond suite added a contemporary data point to a very long record of royal association.