Most jewelry are over three billion years old, two-thirds the age of the Earth. There are a few "youngsters", though, which are only 100 million years old.
After a platinum wedding ring has been found it goes through many processes before it becomes the finished product we are familiar with.
When buying diamond stud for engagement rings or wedding rings, remember to start off with a budget. Once you have a budget, you can find out more information on the type of diamond earrings that you want.