American Mid-20th Century Diamond Gold Platinum Flower Brooch

A Mid-20 Century 18 karat gold brooch with rubies and diamonds by Boucher for Tiffany & Co. The brooch has 27 round-cut rubies with an approx...

An Antique 18 karat gold and platinum-topped gold brooch with diamonds. The open maple leaf motif has delicate diamond accents down the center stem, and three stunning round old Euro...

A Mid-20th Century 18 karat gold and platinum brooch with diamonds by Tiffany & Co. The flower brooch has six unique, blooming petals studded with diamonds and framed with textured g...

An Antique 18 karat gold and platinum brooch with demantoid garnets, diamonds and ruby. The brooch has 38 demantoid garnets with an approximate total weight of 1.10 carats, 34 diamon...

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 French Mid-20th Century 18 karat gold and platinum brooch with diamonds by Van Cleef & Arpels. The ‘Two Feathers’ brooch has 41 round-cut diamonds with an approximate total weight ...

A mid-20th Century geometric panel diamond brooch in platinum. The brooch is designed as an openwork geometric panel composed of tapering scrolled and scalloped motifs, rubover-, gr...

This scintillating 1960's flower cocktail brooch is unmistakably Mid-20th Century chic! With lots of hand made details, this is truly a unique and beautiful article of jewelry. Spre...

Retro (1940s - early 1950s) flower basket brooch featuring a basket made of agate, rock crystal quartz and 14k yellow gold. The flowers are rubies, sapphires, diamonds, tourmaline, ...

An early 20th century Edwardian period diamond brooch in the form of a horse shoe, in platinum and 14k gold. Atw 2.10 cts. * Please do not hesitate to contact Kentshire with reques...

Extraordinary Belle Époque custom made hand carved sardonyx cameo brooch or pendant with retractable bail - the deep relief three layer sardonyx...

Mid-Century 1950's Leaf and diamond brooch. Handmade 18k yellow gold and platinum handmade flower brooch with diamonds along the leaf's in platinum inlays. Rose gold double clip back...