Chalcedony may present as a uniformly colored stone or feature subtle banding

1980's or earlier

The garnet is accented by beautiful faceted white sapphire rectangle side stones and 6 pavé set diamond rounds

Marks: "18K PT90X10 SAV" Stamped on the inside band

Grooved Gold Black Onyx Statement Ring Fob Chalcedony may present as aSophisticated and handsome, this is crafted of sturdy 10 karat gold, with a lined setting. The center is a perfectly polished, rectangular cushion of deep black onyx. The smooth style, patina gold, and subtle details of this vintage ring make it appropriate for everyday wear. Metal: 10K Yellow Gold Gem: Black Onyx Gem Measurements: 13. 6 x 15. 5 mm, Rectangle Cushion Cut Ring Size: 8. 50 Marks: "10K" Stamped on the inside band