It's hard to mistake a genuine peridot's unique yellowish green for any other gem. Some peridot areancient. It has been found in meteorites and even comets dating back to the birth of our solar system. This hasn't effected its price however. Peridot is available in every price range, with much of it being moderately affordable.
Peridot is usually sold in a facetted cut and has a hardness rating of 6.5 to 7 out of 10. Peridot's unique color, history and affordability make it an attractive option for any Class Ring Mod centerpiece.
USNA Class Ring Mod with Peridot Centerpiece and Diamond Dividers