With a sleek platinum setting, thisraw emerald ring is designed to be both a collectible heirloom and a modern accessory that you will reach for everyday.This three stone natural emerald ring gold features in square emerald cut zambian green emerald and two round diamond side stones. Tha white gold band is paved with diamond in half eternity.Know Your Stone-Are natural emeralds rareEmeralds are rarerand often more expensive than diamonds. When it comes to rare and expensive gemstones, most of us immediately think of diamonds, but, in fact, emeralds are more than 20 times rarer than diamonds and, therefore, often command a higher price.