To make sure you're getting a good deal on Black opal ring there are a few important things to think about prior to making the Buy. The first thing to do is assess the black opals play of color or the vivid bursts of color that occur within the stone a higher quality opal is usually indicated by a more intense and varied play of color. Next evaluate the transparency and body tone of the opal as these features have a big impact on the gems look and worth. Darker skin tones frequently bring out the color play more brilliantly. Examine the opals shape and cut as well a well cut stone will showcase its colors more exquisitely. Make sure the ring setting is appealing and stable, giving the comparatively soft opal enough protection.