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© KOLLER AUCTIONS, several locations, mainly Zurich, Switzerland
GEMSTONE AND DIAMOND BROOCH, ca. 1890. Silver over rosé gold. Very decorative brooch in the shape of a butterfly, the body set with 10 old mine cut diamonds...
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DIAMOND NECKLACE , probably France, ca. 1880.
Silver over pink gold. Fancy Rivière necklace of 44 rose-cut diamonds and 23 graduated, old European-cut diamonds. The front decorated in a fringe-like manner with 13 pendants ... [more like this]
DIAMOND LADY'S WRISTWATCH WITH ZENITH MOVEMENT,
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DIAMOND NECKLACE, ca. 1880. Silver and yellow
gold. Fancy necklace consisting of a fine silver anchor chain, the top decorated with 3 pendentifs each of a row of rose-cut diamonds and ending with 1 old mine cut diamond. ... [more like this]
PERIDOT AND DIAMOND PENDANT, ca. 1880. Silver
over rosé gold. Very fancy pendant of an octagonal peridot of ca. 40.00 ct, signs of wear, in a decorative surround of 45 old-mine-cut diamonds and 15 small rose-cut diamonds. ... [more like this]
DIAMOND BRACELET, WITH WATCH PATEK PHILIPPE,
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EMERALD AND DIAMOND BROOCH/PENDANT, ca. 1930.
Silver and yellow gold 750. Elegant brooch in of stylized ribbon design, set with 1 drop cut emerald of ca. 0.17 ct, 20 baguette-cut diamonds and numerous brilliant-cut diamonds. ... [more like this]
DIAMOND LADY'S WRISTWATCH, JAEGER LE COULTRE,
ca. 1950. White gold, 60g. Fancy jewel watch, the oval centre piece set throughout with numerous baguette-cut diamonds and brilliant-cut diamonds, in the centre a small, ... [more like this]
DIAMOND WRISTWATCH, GLYCINE, ca. 1930. Platinum
900, 10% iridium. Rectangular case No. 86330 with diamond lunette. Silver-coloured dial with black numerals and blue-Breguet hands. Hand winder, form movement No. 467184, ... [more like this]
EMERALD AND DIAMOND EAR PENDANTS, ca. 1935.
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DIAMOND AND PEARL BROOCH, France, ca. 1880.
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BRILLIANT-CUT DIAMOND LADY'S WRISTWATCH,
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DIAMOND BROOCH, ca. 1900. Silver and yellow
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DIAMOND BROOCH, ca. 1880. Silver over red
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DIAMOND BROOCH / PENDANT, ca. 1880. Silver
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ENAMEL, DIAMOND, TIGER EYE AND RUBY BROOCH,
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LADY'S WRISTWATCH, JAEGER LECOULTRE, ca.
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A 19th C. PEARL AND DIAMOND BROOCH-PENDANT,
circa 1880. Silver on yellow gold. Charming small brooch modeled as a flower with 1 baroque natural pearl of ca. 13,5 x 12 mm with an applied bee set with diamonds, two small ... [more like this]
A RUSSIAN DIAMOND AND RUBY BROOCH, 1896 -
1908. Silver on pink gold 56 Zolotniki. Charming brooch modeled as a flower, the petals set with 4 drop-shaped Burma rubies of a total of ca. 1.50 ct, in a surround of 53 ... [more like this]
A 19th C. OPAL AND DIAMOND BROOCH. Silvered
yellow gold. Modeled as a bee, the abdomen formed by 1 oval crystal opal of ca. 2.35 ct, the prosoma set with 1 rose-cut diamond of ca. 6 mm Ø, the delicately pierced wings ... [more like this]
A Victorian Pin Set with Sapphires and Diamonds
ca. 1880-1900 14K yellow gold and silver Victorian pin in an elongated navette shape open work design features mirrored fleur-de-lys designs and set with rose cut diamonds ... [more like this]
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