Ladies' 14k white gold opal ring, with one oval cabochon cut opal from Australia, weighing 1.68 carats. Opal is set in a 14k white gold channel setting. In addition, there are eight prong set round brilliant cut diamonds, F color, VS2-SI1 clarity, with a total weight of .12 carat. The ring weighs a total of 5.10 grams Darker base color of this opal will sometimes be categorized as semi-black