Vintage Art Deco Ring and Earring Set with Rhinestones and Black Enamel, Gold Tone Metal cheapest

This is a pair of earring and a cocktail ring. cheapest I don't know for sure that they are a set but they came to me together. The ring is a show stopper. I have never seen anything like it. It is HUGE. Approx 3" around. It has black enamel, round and baguette shaped rhinestones in a decorative design and set in gold tone metal. it is approximately a size 6. The pierced earrings are also set in gold tone metal with black enamel and rhinestones.