Yay, you got one to look at!
In the catalogue, they show pearls, rubies, sapphires, emeralds, amethysts, garnets, and cz, with diamonds available at extra cost. If you want other stones, though (such as opal, peridot, citrine, aquamarine, topaz, or other stones), I'm sure you can special order them on your badge through EO.
Threaded Mode