Art Nouveau 14kt “Lightning Ridge” Black Opal & Enamel Ring 1980 measures approximately 1" long and

measures approximately 1" long and is 5/8" thick

but is adjustable

this stylish piece features three rows of a textured

A timeless aquamarine ring from the Art Deco (ca1920s) era

75ctw in beautiful H color and VS2 clarity

Art Nouveau 14kt “Lightning Ridge” Black Opal & Enamel Ring 1980 measures approximately 1" long andBlack opals are among the most rare and valuable of all natural opal varieties. This opals ring from the early 1900s has a 10+ct Black Opal with colors to match the finest to ever come out of Australia. Unlike their common opal counterparts, they have a dark canvas and radiate brilliant flashes of colors due to their subtle iron oxide and carbon properties. Although a portion of the world's opals are mined in Ethiopa, most originate in Australia