This pretty ring features a black opal with strong blue and green play of color surrounded by diamonds.
The opal weighs approximately .75 carats and has a few very minor cracks and crazing commensurate with age. The diamonds are Old European cut and have an estimated total weight of .75 carats.
The ring is unmarked and tests 18k. It is size 6.25 and is easily resizable.
Good estate condition. Circa 1900.