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Koller offers a fine selection of coloured precious stones, diamonds, natural pearls and jewellery from all periods, mainly from private collections. Our four annual jewellery auctions offer a wide range of vintage and signed pieces at all price levels.

Some of the well-known makers which are always present in our auctions are Boucheron, Bulgari, Cartier, Harry Winston, JAR, Mauboussin, Tiffany & Co., Van Cleef & Arpels, and Webb. Jewellery has always been considered desirable to own and wear as well as a solid investment, and this is true today more than ever. Our specialists examine and estimate your jewellery from a historical and aesthetic perspective, analyse its value on the current market, considering factors such as its provenance and collectability. Our long experience and intimate knowledge of the market are our guarantee of a professional evaluation of your jewellery as well as the successful handling of its sale. The numerous visitors to our previews in Zurich, Geneva and Germany, combined with our international network of collectors and professionals, assure worldwide interest and exceptional auction results.

Reto Schmidlin, Head of Department for Jewellery, is available to estimate single items or entire collections for our upcoming auctions.

Consignments are accepted until mid-January for our April auctions, late March for our June auctions, late June for our October sales, and late September for our December auctions.



Valuations / Consignments


If you wish to consign to one of our auctions, we will value your artworks free of charge. Please send us photos if possible, or call us. We will arrange an appointment to view your property at your home or in one of our offices in Zurich, Geneva, Florence, Munich or Düsseldorf. You will then receive our auction estimates so that you can make your decision.

How to sell at auction
Contact us
Contact your local representative


Contact


Reto Schmidlin

schmidlin@kollerauctions.com
+41 44 445 63 60

Damian Fürer

fuerer@kollerauctions.com
+41 44 445 63 61

Marianne Sicher Bucher

sicher@kollerauctions.com
+41 44 445 63 00


Representatives


Koller Geneva

Cyril Himmer
geneva@kollerauctions.com
+41 22 311 03 85

Koller Munich

Fiona Seidler
muenchen@kollerauctions.com
+49 89 22 802 766

Koller Düsseldorf

Ulrike Gruben
duesseldorf@kollerauctions.com
+49 211 30 14 36 38

Koller Italy

Lapo Bacarelli
italia@kollerauctions.com
+39 366 994 1836

Koller China

Jing Li
beijing@kollerauctions.com
+86 135 2039 8057

SELECTED RESULTS Jewellery


BURMA-SAPPHIRE, PEARL AND DIAMOND NECKLACE, by MEISTER.

White gold 750, 105g.
Composed of 3 rows of Akoya cultured pearls of ca. 7.5 - 8.0 mm Ø. The clasp decorated with 1 fine, oval sapphire of 23.37 ct, Burma, not heated, surrounded by marquise-cut diamonds totalling 3.08 ct, pear-shaped diamonds weighing 1.85 ct and diamond carrés of ca. 2.38 ct. Signed Meister. L ca. 36 cm.
BURMA-SAPPHIRE, PEARL AND DIAMOND NECKLACE, by MEISTER.
BURMA-SAPPHIRE, PEARL AND DIAMOND NECKLACE, by MEISTER.

CHF 177 200

DIAMOND ENSEMBLE, by CARTIER.

White gold 750, total weight 369g.
Necklace composed of 7-rows of brick- and double "C"-links, set with brilliant-cut diamonds totalling ca. 38.00 ct. Signed Cartier no. 771312, model Entrelaces. L ca. 40.5 cm. Matching bracelet set with brilliant-cut diamonds weighing ca. 18.00 ct. Signed Cartier no. 781601, model Entrelaces. L ca. 17 cm. Ensuite earclips of double "C"-motifs, set with brilliant-cut diamonds totalling ca. 2.40 ct. Signed Cartier no. 846851, model Penelope Double-C. L ca. 2 cm.
DIAMOND ENSEMBLE, by CARTIER.
DIAMOND ENSEMBLE, by CARTIER.

CHF 189 400

ENAMEL AND GOLD BANGLE, by CARTIER.

Yellow gold 750, 138g.
Composed of 2 opposing panther head motifs, set with black enamelled spots and pear-shaped emerald eyes. Signed Cartier, no. 631901. Ca. 6.5 x 5.0 cm.
ENAMEL AND GOLD BANGLE, by CARTIER.
ENAMEL AND GOLD BANGLE, by CARTIER.

CHF 56 420

DIAMOND NECKLACE WITH CLIP BROOCH, by VAN CLEEF & ARPELS, 2001.

White gold 750, 104g.
Model Socrate. Rivière necklace designed as a ribbon, set with brilliant-cut diamonds and decorated with 2 diamond-set flower motifs "en tremblant", 1 detachable to be worn as a brooch (1 spring broken). Total weight of diamonds ca. 22.20 ct. Signed Van Cleef & Arpels VCA ML 335. L ca. 37 cm.
DIAMOND NECKLACE WITH CLIP BROOCH, by VAN CLEEF & ARPELS, 2001.
DIAMOND NECKLACE WITH CLIP BROOCH, by VAN CLEEF & ARPELS, 2001.

CHF 55 200

DIAMOND NECKLACE, by VAN CLEEF & ARPELS.

Platinum 950, 66g.
Elegant rivière necklace, designed as a line of 86 graduated oval diamonds totalling ca. 42.00 ct, the centre diamond of ca. 1.70 ct. Signed VCA, no. M40027. L ca. 38 cm.
DIAMOND NECKLACE, by VAN CLEEF & ARPELS.
DIAMOND NECKLACE, by VAN CLEEF & ARPELS.

CHF 158 900

FANCY INTENSE YELLOWISH BROWN DIAMOND RING.

Platinum 950, 10g.
Set with 1 octagonal diamond of 20.49 ct, fancy intense yellowish brown/VS2, flanked by 2 diamond-baguettes totalling ca. 0.20 ct. Size ca. 55.
FANCY INTENSE YELLOWISH BROWN DIAMOND RING.
FANCY INTENSE YELLOWISH BROWN DIAMOND RING.

CHF 183 300

DIAMOND RING, ca. 1960.

White gold 750, 6g.
Set with 1 brilliant-cut diamond of 5.70 ct, E/VVS2, in 8-prong setting. Size ca. 54.
DIAMOND RING, ca. 1960.
DIAMOND RING, ca. 1960.

CHF 195 500

TOURMALINE AND DIAMOND NECKLACE, ca. 1970.

White gold 750, 74g.
Composed of diamond-set bars totalling ca. 2.80 ct, the front decorated with 7 fine, sea-green, octagonal tourmalines weighing ca. 90.00 ct and decorated with brilliant-cut diamonds totalling ca. 1.80 ct. L ca. 40 cm.
TOURMALINE AND DIAMOND NECKLACE, ca. 1970.
TOURMALINE AND DIAMOND NECKLACE, ca. 1970.

CHF 104 000

PARAIBA TOURMALINE AND DIAMOND RING.

White gold 750, 12g.
Set with 1 fine, turquoise-blue, Nigerian Paraiba tourmaline of 10.04, surrounded by brilliant-cut diamonds totalling ca. 1.67 ct. Size ca. 59.
PARAIBA TOURMALINE AND DIAMOND RING.
PARAIBA TOURMALINE AND DIAMOND RING.

CHF 122 300

DIAMOND RING, BY BULGARI, ca. 1975.

Platin 950, 4g.
Set with a pear-shaped diamond of 3.70 ct, ca. D/IF-VVS1*, type IIA, flanked by 2 tapered-baguette-cut diamonds weighing 0.53 ct. Size ca. 52.
DIAMOND RING, BY BULGARI, ca. 1975.
DIAMOND RING, BY BULGARI, ca. 1975.

CHF 104 000