La Triomphe 18K Yellow Gold Diamond Onyx Sculptural Ring c. 1970s

18K yellow gold diamond ruby cocktail ring from 1990s set with 59 good quality brilliant cut diamonds approximate G color VS clarity and 16 calibre-cut vivid red rubies approximate ...

This 18K white gold diamond sapphire ring with a heart shape sapphire at its center surrounded by a halo of 22 round diamonds approximate in G color VS-SI clarity the band is adorned...

Make a statement Ilias Lalaounis cocktail Ring. 18K yellow gold mesh over frosted rock crystal. Ring Size: 8.5 Approximate Gross Weight: 15.70 grams Approximate Measurements: Thic...

Vintage Tiffany & Co. Elsa Peretti Open Heart Ring crafted in 18k yellow gold Ring Size: 5.75 Approximate Weight: Gross - 10.70 grams Approximate Measurement: Ring Top 17.7mm at w...

This sleek 1970s crown motif ring features a central round cabochon black onyx stone measuring 8 mm in diameter, elegantly framed by 15 round brilliant-cut diamonds totaling approxim...

This bold and grandiose black onyx bead ring from the 1970s exudes striking elegance. Crafted in 18K yellow gold, it features a large, round black onyx bead measuring 17 millimeters ...

This glamorous and impressive 1970s Emis diamond and black onyx ring exudes elegance and sophistication. Crafted in 18K yellow gold, the ring centers on 0.75 carats of pave-set round...

Geometric cocktail ring designed by La Triomphe. A modernist three-dimensional geometric piece, designed in new York city by the jewelry designer's La Triomphe, back in the early 1970's. This cocktail ring was crafted in solid yellow gold of 18 karats, with high polished finish, The top parts are mounted with two rectangular pieces (15 x 7 x 5 mm), carved from natural black onyx and pink salmon coral with a total weight of 12 carats. Accented in in between with 5 calibrated round brilliant cuts diamonds, 0.25 carats, F/G color, VS-2 clarity. Has a total weight of 14.9 grams and the actual size is 5.5, sizable. The top view measurements are 20mm by 18mm (0.79 x 0.71 inches) and raise 9mm over the finger. Stamped, with the company maker's mark of the "Arc de Triomphe", the gold assay hallmark and signed, "La Triomphe 18kt...