When did we first see precious stones as being precious, and how were we first a

Question:I mean diamond, ruby, sapphire and emerald only.

Thanks!

Best Answer - Chosen by Asker: I mean diamond, ruby, sapphire and emerald only.

Thanks!

see this site

http://www.jjkent.com/articles/historica...

it is the first time i know that those stones were once considered as somewhat like spirits

EDIT

i'm not just sure of the exact date but i think it will date back in a BC year. even before gemstones was discovered, other minerals like copper were considered precious.