Mid-20th Century Diamond Gold Platinum Heart Brooch/Pendant

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...

This extraordinary French silver-topped gold pendant brooch, from the era of Napoleon III, is designed with scrolling floral motifs suspending articulated double festoons, all set wi...

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...

Pendant brooch by Child & Child. A pendant/brooch in three detachable sections, the uppermost composed of an elongated octagon with inward bowed sides set with one central diamond in a collet setting with a weight of 2.50 carats, flanked by trefoil forms set with six diamonds in bead settings with a combined weight of 1.20 carats, on a ground of pierced millegrain vertical bars, and encircled by a single scalloped border of twenty six diamonds in bead settings with a combined weight of 13.00 carats; the middle section composed of one central diamond in a collet setting with a weight of 1.20 carats, on a ground of pierced millegrain horizontal bars, and encircled by a stylized laurel wreath set with eighteen diamonds in bead settings with a combined weight of 2.16 carats, surmounted with two diamonds in collet settings with a combined weight of 0.15 carats, and encircled by a further five diamonds in collet settings with a combined weight of 1.50 carats; the bottom section in the same format and settings as the middle with one central diamond at a weight of 0.45 carats, eighteen diamonds weighing 0.90 total carats, two diamonds at 0.10 total carats, and five diamonds at 0.50 total carats, and also with a lower pendant composed of one diamond in a collet setting with a weight of 0.40 carats, above a bell form set with two diamonds in bead settings with a combined weight of 0.60 carats and with three diamonds in bead settings with a combined weight of 0.15 carats, above two more articulated links one composed of a diamond in a collet setting with a weight of 0.25 carats, above one mounted in the same fashion with a weight of 0.15 carats, all above an inverted tear shape link set with two rose cut diamonds in bead settings with a combined weight of 0.03 carats; all set with cushion shape old cut diamonds unless specified, millegrained throughout, and with a grand total of ninety three cushion shape old cut diamonds with an approximate total weight of 25.20 carats, and two round rose cut diamonds with an approximate total weight of 0.03 carats. The upper section is set to reverse with an entirely removable brooch bar with secure C spring clasp, and further set with two loops for a necklace to be attached. Each of the three sections are set with thread bars to attach or remove accordingly, with two threads set to the upper to form a choice of brooch or pendant as desired. Tested platinum, with makers mark for Child and...

A platinum (with gold backing) pendant or brooch in the shape of a heart set with pretty cushion cut diamonds (app. 4 carats in total), with a platinum chain, the top of the pendant ...

Pendant in 18 karat yellow gold, eagle head hallmark and platinum. A delightful antique pendant featuring a circle of gold gadrooned with small gold links. In the center, an arabesqu...

Drayson jewels seldom come onto the market, but when they do, discerning collectors take notice. The unusual, stylish design paired with exquisite workmanship make them highly desirable and recognizable. This fine transformable Art Deco wings...

Pendant in 18 karat yellow gold and platinum. A charming antique gold pendant featuring a small daisy flower with cabochon-cut emerald at its heart and rose-cut diamonds set in mille...

Magnificent Rare Estate Platinum Brooch & Pendant. Approximately 11 carats of Natural old euro and round diamonds, 216 stones total. The piece weighs 35 grams, Can be worn as a pe...