Tourmaline pearl and rose diamond ring

An antique 18 carat gold ring with a oval cabochon red tourmaline stone, 33 seed pearls and four rose diamonds set on the shoulders of the ring. 

The tourmaline measures 7 mm by 4 mm. The four rose diamonds are are about .02 carat in total. The setting with the double halo of pearls measures 17 mm by 14 mm. 

The ring size is 20.00 mm, the size can be modified if necessary. 

The stones are in good condition, the setting is relatively flat and the ring sits comfortably on the finger.