10k Onyx and Cameo Diamond Reversible Ring. Victorian Locket / Reverso Ring.

This is a very special antique Victorian to Art Deco ring with an oval shape panel of Black Onyx with a central Old Mine Cut Diamond set in 14 Karat Gold. The stunning antique ring ...

A beautifully crafted yellow gold swivel ring, featuring an octagonal rotating bezel that flips to reveal two contrasting faces. One side showcases a sleek black onyx panel, centered...

This lovely ring features a single cut diamond weighing approximately 0.01 carat, F color VS clarity, set in the center of an oval-shaped onyx plaque and mounted in 10K white gold.

Antique onyx and diamond ring, Austria, 1922-1925. A classic of the Art Deco era - a gold ring with a contrasting onyx and diamond This ring is crafted from 14-karat yellow gold (a...

Beautiful Antique Victorian 18K Yellow Gold Silver Top Old Mine Diamond Onyx Shield Ring. This gorgeous Victorian old mine diamond and onyx shield ring is crafted in 18k yellow gold ...

This Victorian Dutch antique pendant brooch is an elegant and timeless example of 19th-century mourning and dress jewelry, defined by contrast, restraint, and fine craftsmanship. At...

18 kt gold Art Deco onyx-diamond-ring, approx. 1920, oval ring head onyx, centered 1 old cut diamond approx. 0.40 ct ring shoulders in platinum with small diamond roses. Size 7 1/4 W...

Gold Ring with Contrasting Onyx and Diamond A classic Art Deco style - gold ring with contrasting onyx and diamond This ring is crafted from 14-karat yellow gold (approx. 0.585 fin...

Simply Beautiful! Vintage Victorian Diamond on Oval Onyx Slab Gold Ring. Centering a .27 Carat Diamond. Hand crafted 14K Yellow Gold mounting. Ring size 6, we offer ring resizing. Mo...

An Old European-cut diamond weighing approximately 0.10 carats, F-G color VS clarity, sparkles in the corner of a rectangular onyx plaque measuring 18x10mm, accented with fleur de li...