Examine The Ring's Gemstones. The gemstones of a ring can be a great indication of its vintage authenticity. The quality, cut, shape, and wear of the stones can all help verify its age. Because of changes in how diamonds have been valued, older stones may have warmer color tones than modern gems.

Diamonds have always been a gem that people go through a lot of trouble to obtain. The same is true today and the numerous hands a diamond passes through in order to get to your local jewelry store. By the time that diamond reaches the store, expect the jeweler to charge 1.5 to 3 times the original cost.