Amber ring | Amber stone often considered a gemstone, the glowing, warm amber is not actually a stone, but a fossilized resin from ancient evergreen trees. The oldest amber discovered on Earth is about 320 million years old. Imagine the incredibly powerful energy this amber contains! The young amber stones are less than 100,000 years old; the most valued pieces of amber are much older than that. (It takes a long time for the tree resin to become true amber).