Antique Opal & Diamond Ring | Antique Black Opal Ring diamond and ruby The gold purity has been

The gold purity has been confirmed through XRF (x-ray fluorescence) analysis and jeweler’s acid testing

The brooch is 14k gold (unmarked

The insect is accented with a ruby and and chalcedony and the wings sparkle with rose cut diamonds

Rendered of solid 14k rose gold

This alluring ring (circa 1910-1920) features three un-drilled moonstone beads set in 10k gold (unmarked

Antique Opal & Diamond Ring | Antique Black Opal Ring diamond and ruby The gold purity has beenAn outstanding ring from the 1920s with a vibrant black opal nestled in a bed of glistening diamonds. The vintage open work ring is 18k white gold with chunky old European cut diamonds. The total carat weight of the diamonds is approximately 0. 13ct. The ring is currently a size 5 and in excellent condition; however, the opal is a later replacement stone. It can be re sized free of charge. Materials: Diamond, White gold.