La Triomphe Cocktail Ring 18Kt Diamonds Coral Onyx

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". La Triomphe, was the name give to a special collection created by the jewelry designers and makers, The Astoria Jewelry Company. this atelier was located in Long Island New York and the trademark was established in the 1965. They was very famous for his designs and cocktail jewelry featuring colorful gemstones set in retro and bold mountings. Today the company is no longer open but his designs are highly collectible around the world. Collateral: It is accompanied by a presentation jewelry box. Condition: The overall condition of this ring is excellent. Beside the little normal wear, there is no damage to the gold. All the gemstones, ar