Kara Ross Petra Split ring with raw and smooth amethyst and diamonds.

Viewed from the front, the contrast between the raw and smooth amethyst is accentuated in this Kara Ross Petra Split ring with diamonds.

Kara Ross Petra Split ring with smooth chrysocolla and raw uvarovite.

A front view of the Petra Split ring with smooth chrysocolla and raw uvarovite from the Kara Ross Petra fine jewellery collection. 

Kara Ross Petra Split ring with raw blue opal, raw hemimorphite and diamonds. 

This Split ring from the Kara Ross Petra collection features raw blue opal, raw hemimorphite and diamonds. 

Kara Ross Split ring with raw white quartz and smooth rock crystal from the Petra collection.

This Kara Ross Petra Split ring is set with raw white quartz and smooth rock crystal, separated by a zigzag of diamonds. 

Front view of the Kara Ross Pangea ring with raw amethyst and diamonds. 

Side view of the Kara Ross Pangea ring in gold with raw amethyst and diamonds.