Contemporary Ammolite & Diamond Ring teeth The bear has been a

The bear has been a widespread symbol for Russia for at least the last 500 years

French 18k gold hallmarks

The band is crafted in 15k yellow gold

The band is reeded

It dates from the Art Deco period (1920s or '30s) and it's a great length at 31 inches - the stones range from 3

Contemporary Ammolite & Diamond Ring teeth The bear has been aDATE: Contemporary, c. 2015 What is this unusual rainbow coloured stone you ask? Ammolite. Ammolite has that lovely iridescence much like an opal, but this rare stone is a composition of fossilized shells of ammonites. Ammolite stone is believed to be one of the rarest gemstones in the world and it is highly prized for its vibrant rainbow colour. This contemporary ring, made in 2015, is set with a square cut of Ammolite, displaying that fantastic