Original Art Deco Palladium Cabochon Emerald Diamond Ring. This is a beautiful original art deco ring with a natural cabochon emerald and old cut diamonds with a flower like design. The cabochon emerald has amazing color and good clarity weight aproximately .90 carats. There are 24 diamonds around the emerald I color VS-2 clarity total weight .40 carats. Ring Size 6 1/4, Weight 4.4 grams, Palladium is currenlt more valuable per ounce then gold and platinum.