Sterling silver Kameleon ring with a pair of pretty interchangeable jewels

The Kameleon jewelry company conceived of high quality rings designed for use with interchangeable "jewel pops". This model has classic look, and the two jewel pops feature respectively red and black stones paired with clear stones. The ring is marked 925 and Kameleon, and the jewels are both marked 925. Size 6. In very good condition.