French Mid 20th Century Cabochon Emerald Diamond Gold Platinum Ring

A Mid-20th Century platinum ring with diamonds and South Sea pearl. The ring is pavé set with diamonds with an approximate total weight of 9.50 carats, and a South Sea pearl measurin...

This architectural stepped gold and diamond ring by Cartier Paris presents a clever and sparkling commentary on artistry and illusion. From different viewpoints, this Retro ring is alternately a sculptured triple diamond band...

A pair of 18 karat gold earrings with diamonds by Marianne Ostier. The earrings contain 32 round-cut diamonds with an approximate total weight of 2.60 carats, G/H color, VS clarity. The earrings are composed of twisted gold wire forming a cone shape which is topped with a cluster of diamonds. Circa: Mid-20th Century. "A Collection of Jewelry, Designed by Marianne Ostier Ostier, Inc., one of New York's leading jewelers dealing precious-stone jewelry of original design and superb custom craftsmanship, was closed in September of this year [1969], following the death of its co-founder, Oliver Ostier. The present sale offers the entire stock of this distinguished firm. All pieces are original designs of Marianne Ostier, co-founder with her late husband of the firm and an internationally famed designer of jewelry. Of the decision to close the business, Marianne Ostier said: With the passing of my husband, I have had to devote more and more of my efforts to administrative duties. These demands of my time can no longer be met without artistic compromise which to me is unacceptable. Representing the third generation of court jewelers in Austria, Oliver Ostier came to America following the Anschluss of 1938. Shortly thereafter he founded the firm of Ostier, Inc., with his wife Marianne, a talented painter and sculptress as well as an artist in the design of jewelry. Author of Jewels and the woman , the basic primer of the art of wearing jewelry, Marianne Ostier's designs became major jewelry fashions and classics of modern designed jewelry...

A Retro platinum ring with emeralds and diamonds. The ring has 9 emeralds with an approximate total weight of 4.40 carats, 4 round diamonds with an...

A French Art Deco platinum ring with peridot and diamonds by René Boivin. The ring centers on a cushion-cut peridot with an approximate weight of 3.25 carats, surrounded by 60 pavé set round-cut diamonds with an approximate total weight of 3.60 carats. With Certificate of Authenticity from Madame Françoise Cailles, expert for Boivin. Circa 1930's. René Boivin has been one of the most significant jewellery houses for the best part of a century since its late 19th century beginnings under its founder Jules René Boivin. The significant legacy is due in no small measure to Jeanne Boivin...

This mid-century Van Cleef & Arpels bombé ring is a striking and sensuous period design is set with over ten carats of diamonds. The voluminous form, dripping and patterned with roun...

Ring in 18 karat yellow gold. Elegant antique ring, its basket all in smoothness supports an important cabochon of chalcedony retained with 4x2 claws. This one is surmounted on both ...

A very chic emerald and diamond ring from the 1940s, centring an important old-mine Colombian emerald of ca. 9 carats and ca. 6 carats of diamonds in four clusters around it. The rin...

A Ring in 18kt hammered yellow gold with a cabochon emerald (app. 4 cts), and 6 round brilliant cut diamonds (total est weight .48 cts). Circa 1970

A refined ring showcasing a fine cabochon emerald (appx. 9 cts) mounted in 18k yellow gold with baguette and round-cut diamonds, by Giovane. Made...

Ring in 18 karat in yellow gold, eagle head hallmark. Sober and elegant antique ring, it is decorated on its top with an important Australian cabochon opal held with claws and surmou...

Dome yellow gold ring, set with 5 rows of brilliant-cut diamonds weighing approximately five carats, forming a rhombus shape. Ring size : 52,5 (French size) resizable. Ring weight...