Black Opal Ring Buying Guide - Value Factors, Color Play & Authentication Tips Black Opals are one of the most highly prized and sought-after stones in the world, and they are well famed for the unique iridescence and play of colors they showcase. Not only this, but Black Opals have a rich history that spans across centuries – for instance, in ancient Rome, Black Opals symbolized protection and mysticism, and in other cultures, they were associated with royalty and good luck. You might not be aware, but when set in rings and other gemstone jewelry, Black Opals command a higher price than ordinary opals. In this blog, we will cover what contributes to the value of Black Opal Rings, and we......See More