This is a gorgeous natural stone Red Orange Agate Carnelian ring from Northern Thailand. I got it on a recent trip there. In agate sometimes heat treatment is used just to brighten existing colors.
The free ring will be a different color tone for variety. ( Size of the free ring will be between 6.5 and 7.5 US )
Size: 7 US ( 5 mm ) thick
Weight: 2.3 gm ( .08 oz )