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© KOLLER AUCTIONS, several locations, mainly Zurich, Switzerland
DIAMOND AND PEARL BROOCH, ca. 1910. Platinum over yellow gold. Very decorative, large brooch, in the shape of Mercury's staff, the staff with its two...
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DIAMOND AND PEARL BROOCH, ca. 1910. Platinum.
Charming brooch with volute motifs, set in the middle with 1 old mine cut diamond of ca. 1.90 ct, ca. G-H/P1. The florally open-worked surface is decorated with a line of ... [more like this]
DIAMOND AND PEARL BROOCH, ca. 1910. Platinum
over yellow gold. Very decorative, large brooch, in the shape of Mercury's staff, the staff with its two entwined snakes and the wings completely set with 184 old-mine cut ... [more like this]
DIAMOND AND PEARL BROOCH, ca. 1925. Platinum.
Decorative, octagonal brooch, the geometrically open-worked top decorated with a button-shaped, probably Oriental pearl of ca. 7.3 mm Ø, set throughout with 88 diamonds weighing ... [more like this]
DIAMOND AND PEARL BROOCH, ca. 1915. Platinum.
Elegant brooch, the finely ornamented, partially open-worked top adorned with 5 Oriental pearls of ca. 2.6/2.7 mm Ø, flanked by 6 old-mine-cut diamonds totalling ca. 0.20 ... [more like this]
EMERALD AND NATURAL PEARL BROOCH, ca. 1935.
Platinum and pink gold. Decorative, small bar brooch, the centre set with a button-shaped natural pearl of ca. 8.9 mm Ø and set throughout with 8 small rose-cut diamonds. ... [more like this]
PEARL AND DIAMOND BROOCH, ca. 1910. Platinum.
Elegant, lozenge-shaped florally open-worked brooch, the centre set with 1 pearl of 6.9 mm Ø, flanked by 4 old mine cut diamonds totalling ca. 2.20 ct, additionally set with ... [more like this]
PEARL AND DIAMOND BROOCH, ca. 1910. Platinum,
yellow and pink gold. Decorative bar brooch, the centre decorated with a rosette motif, set with 13 small Oriental pearls and 18 rose-cut diamonds, the sides additionally ... [more like this]
DIAMOND CLIP, France ca. 1935, with PEARL
NECKLACE. Platinum 950 and white gold 750. Elegant, geometric clip brooch in the shape of a stylized band motif with rolled end, completely set with 33 diamond baguettes ... [more like this]
PEARL AND DIAMOND BROOCH, ca. 1910. Platinum
over yellow gold. Decorative, slightly spindle-shaped, geometrically open-worked bar brooch, set with 1 central old-mine-cut diamond of ca. 0.60 ct, flanked by 4 natural ... [more like this]
PEARL, DIAMOND AND SAPPHIRE BROOCH, ca. 1900.
Platinum over yellow gold. Fine Art Nouveau bar brooch with 3 Oriental pearls of ca. 3.8-4 mm Ø, the middle part with bow motifs, decorated with 29 old-mine-cut diamonds ... [more like this]
LOT: TWO PEARL AND DIAMOND BAR BROOCHES,
Vienna ca. 1900. Yellow gold and platinum. Small bar brooches, one set with 5 and one with 3 Oriental pearls of 4 - 4.5 Ø, alternatively set with 4 and 2 old european cut ... [more like this]
A PEARL AND DIAMOND BAR BROOCH, circa 1910.
Platinum, yellow gold pin. Fine pierced bar brooch Barrette, set with 1 natural pearl of ca. 6,7 mm Ø and with numerous small old European-cut and rose-cut diamonds of ... [more like this]
FOUR 14K GOLD BROOCHES, ca. 1900; Diamond
and platinum-topped monogram AOM, approx. .30 ct.; Seed pearl crescent; Krementz sapphire and pearl crescent; Sapphire bow; 9.3 dwt., largest 2 1/8"
Condition Report: ... [more like this]
EDWARDIAN SAPPHIRE AND DIAMOND JEWELRY; J.E.
Caldwell sapphire heart brooch with diamond ribbons and post set pearls, platinum-topped gold, 1" x 1 1/8"; Oval sapphire, diamond and platinum open work band, size 6 1/4. ... [more like this]
TWO OPULENT 18K GOLD NURSERY ACCESSORIES,
Tiffany & Co. gold mounted mother of pearl teething rattle/whistle; Swiss enameled miniature of a child by Golay Fils & Stahl, Geneva, 18k trimmed by rose cut diamonds ... [more like this]
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