No they are not. Sapphires are essentially aluminum, a variety of the aluminium oxide mineral corundum, a chemical compound with tirigonal crystalline structure
Diamond is an allotrope of carbon. It's elemental with cubic structure.
Yes they are, chemically and technically the same, but are of course gemologically considered distinct due to the impurity inclusion that makes them red.
You all do know these different colors found in big cats are just genetic mutation and not an actual subspecies right? It's like saying Greg down the street has three orange house cats and there's only ten other orange house cats in the world sadly there are no orange house cats left in the wild
Diamond is an allotrope of carbon. It's elemental with cubic structure.
They actually have zero similarity to each other.
I did some googling and figured out I just got mixed up. Rubies and Sapphires are the same.