A 19th Century Carnelian Swivel Scarab Ring.  The carved carnelian is double-sided, and it swivels. The front is carved as a domed scarab, and the other side depicts a hunting figure. Scarab is a symbol of rebirth and resurrection, and was often used in Egyptian revival jewelry as a popular motif. This ring is set in 14k yellow gold. The last photo shows together. This listing is for the larger-scale ring. (the one on the left in the third photo.) 
Overall this ring is in great condition. 

US Size: 10  (resizable)
N-S: Approximately 9.5mm (scarab)
Width: Approximately 12mm