Art, Antiques, CollectiblesKoller West, W247

SAPPHIRE AND DIAMOND EARRINGS. White gold 750. Each set with 1oval sapphire within a border of diamonds, suspended by 14 brilliant-cut diamonds. T...

PEARL AND DIAMOND EARRINGS. White gold 585. Diamond-set earrings, each with 1 removable, white South Sea cultured pearl of ca. 14.8 mm Ø and with ...

SAPPHIRE AND DIAMOND RING. White gold 750. Set with 1 sapphire weighing ca. 5.90 ct and 4 tapered-cut diamonds weighing ca. 0.20 ct. Size ca. 54. ...

SAPPHIRE AND DIAMOND EAR STUDS. White gold 750. Each set with 1 sapphire, weighing ca. 4.80 ct in total, within a border of 12 brilliant-cut diamo...

SAPPHIRE AND DIAMOND RING. White gold 750. Set with 1 oval sapphire weighing ca. 5.40 ct, within a border of 12 brilliant-cut diamonds weighing ca...

SAPPHIRE AND DIAMOND RING WITH CLIP EARRINGS, O. ZENDER, ca. 1960. Platinum 950 and white gold 750. Set with 1 round sapphire weighing ca. 3.00 ct...

RUBY, SAPPHIRE, PEARL AND DIAMOND RING, ca. 1950. Platinum 950. Set with 5 brilliant-cut diamonds weighing ca. 1.10 ct, 4 rubies and 4 sapphires w...

BURMA SAPPHIRE AND DIAMOND RING WITH CLIP EARRINGS, ca. 1960. White gold 750. Set with 1 oval Burma sapphire weighing ca. 3.40 ct, unheated, and 1...

SAPPHIRE AND DIAMOND BRACELET. White gold 750. Set with 23 oval sapphires weighing ca. 17.20 ct and 26 brilliant-cut diamonds weighing ca. 1.50 ct...

SAPPHIRE AND DIAMOND BRACELET. White gold 750. Bracelet in the Art Deco style of 4 links set with sapphires, and set throughout with numerous diam...

PEARL NECKLACE. Clasp in white gold 585. Necklace of 29 South Sea cultured pearls of ca. 13-16 mm Ø, polished ball clasp. L ca. 43 cm. PERLEN-COL...

CEYLON SAPPHIRE AND DIAMOND BROOCH. Platinum 900. Set with 1 rectangular light-blue sapphire weighing ca. 12.00 ct, probably unheated, slight trac...

SAPPHIRE AND DIAMOND EAR STUDS. White gold 750. Each set with sapphires and brilliant-cut diamonds. Total weight of the sapphires ca. 2.10 ct and ...

DIAMOND RING, ca. 1960. White gold 750. Set with 20 brilliant-cut diamonds weighing ca. 2.50 ct. Size ca. 52. DIAMANT-RING, um 1960. Weissgold 75...

DIAMOND PENDANT. Platinum 850 and white gold 750. Cross pendant set with brilliant-cut diamonds weighing ca. 0.30 ct and 70 baguette-cut diamonds ...

TURQUOISE, PEARL AND DIAMOND NECKLACE / TORSADE WITH BRACELET. Clasp in white gold 750. Decorative necklace with 4 strings of small turquoise bead...

DIAMOND NECKLACE. White and pink gold 750. Fancy necklace with red gold and white gold links designed as stylised leaves, set throughout with nume...

TURQUOISE CLIP EARRINGS. Yellow gold 750. Set throughout with numerous turquoises weighing ca. 4.60 ct. Ca. 2.1 cm Ø. TÜRKIS-OHRCLIPS. Gelbgold 7...

PEARL AND DIAMOND CLIP EARRINGS. White gold 750. Each set with 1 Mabe cultured pearl of ca. 13 mm, within a border of brilliant-cut diamonds weigh...

AQUAMARINE AND DIAMOND EARRINGS. Yellow gold 585. Each set with 1 oval aquamarine cabochon of ca. 11 x 8 mm, and 1 pear-cut aquamarine of ca. 22 x...

ENAMEL AND SILVER CLASP, JANVIER QUERCIA, Paris, ca. 1900. Silver 950. Art Nouveau clasp designed as a dragonfly, the wings decorated with 'plique...

AMAZONITE AND DIAMOND EARRINGS. White gold 750. Each set with 1 chalcedony blossom weighing ca. 9.00 ct in total, and 1 pear-shaped amazonite, wei...

PEARL AND DIAMOND RING. White gold 750. Set with 1 freshwater cultured pearl of ca. 13.7 mm Ø and pavé-set with numerous brilliant-cut diamonds we...

DIAMOND RING, ca. 1960. White gold 750. Set with 1 brilliant-cut diamond weighing ca. 0.45 ct, and 16 brilliant-cut diamonds weighing ca. 1.20 ct....

AQUAMARINE AND IOLITE RING. White gold 750. Set with 1 aquamarine weighing ca. 18.00 ct, and 9 rose-cut iolites weighing ca. 7.30 ct, and 24 brill...

DIAMOND BROOCH. Yellow and white gold 750. Designed as a swan, set throughout with numerous single-cut diamonds weighing ca. 1.20 ct. Ca. 3 x 2.5 ...

DIAMOND BRACELET. White gold 750. Classic bracelet, set with 38 brilliant-cut diamonds weighing ca. 2.00 ct. L ca. 17.5 cm. BRILLANT-BRACELET. We...

PEARL NECKLACE. Clasp in white gold 585. Necklace of 35 South Sea cultured pearls of 11.6 to 14.3 mm Ø. Polished ball clasp. L ca. 50.5 cm. With C...

PEARL EAR STUDS. White gold 750. Each set with 1 South Sea cultured pearl of ca. 11 mm Ø. PERLEN-OHRSTECKER. Weissgold 750. Klassische Ohrstecker...

PEARL AND DIAMOND EAR STUDS. White gold 750. Each set with 1 white South Sea cultured pearl of ca. 11 mm Ø, with a fine lustre, and 1 brilliant-cu...

DIAMOND RING, ca. 1950. Platinum 950. Classic ring, set with 1 brilliant-cut diamond weighing ca. 1.40 ct, ca. L-M/VS2, and 4 baguette-cut diamond...

DIAMOND AND GOLD NECKLACE, ca. 1960. White gold 750. Set with 18 brilliant-cut diamonds weighing ca. 1.80 ct and 17 baguette-cut diamonds weighing...

DIAMOND AND GOLD NECKLACE, ca. 1950. White gold 585. Set with 8 brilliant-cut diamonds and 44 single-cut diamonds, weighing ca. 1.20 ct, and 1 mov...

DIAMOND NECKLACE, A. WEBER, ca. 1950. White gold 750. Set with 42 baguette-cut diamonds, 15 marquise-cut diamonds and 34 brilliant-cut diamonds, m...

DIAMOND CLIP EARRINGS, ca. 1960. White gold 750, 9g. Each set with 1 brilliant-cut diamond and 24 single-cut diamonds, weighing ca. 0.60 ct in tot...

TAHITI PEARL AND DIAMOND EAR PENDANTS. White gold 750. Each set with 1 Tahiti cultured-pearl of ca. 14.5 mm Ø, and 1 brilliant-cut diamond, weighi...

DIAMOND AND GOLD RING, BINDER. White gold 750. Set with 8 brilliant-cut diamonds and single-cut diamonds, weighing ca. 0.90 ct in total. Size ca. ...

RUBELLITE AND DIAMOND RING. White gold 750. Set with 1 oval, purple rubellite weighing ca. 3.20 ct, 6 Princess-cut diamonds and 6 brilliant-cut di...

DIAMOND RING. White gold 750. Set with 1 heart-shaped diamond weighing ca. 3.60 ct, ca. R-Q/P2, within a border of diamonds weighing ca. 0.20 ct. ...

DIAMOND RING. White gold 750. Set with 1 brilliant-cut diamond weighing ca. 1.10 ct, ca. K/VS2. Size ca. 54. With copy of the DeGEB expert opinion...

DIAMOND RING, ca. 1960. White gold 750. Set with 7 brilliant-cut diamonds weighing ca. 1.20 ct. Size ca. 54. BRILLANT-RING, um 1960. Weissgold 75...

DIAMOND RING. White gold 750. Pavé-set with numerous brilliant-cut diamonds. Total diamond weight ca. 4.00 ct. Size ca. 56. DIAMANT-RING. Weissgo...

DIAMOND RING, ca. 1950. White gold 750. Set with 1 brilliant-cut diamond weighing ca. 1.10 ct, ca. IH-I/P1, within a border of 20 baguette-cut dia...

GOLD AND DIAMOND RING, CARTIER. White gold 750. 'Double C' model, the border set with diamonds weighing ca. 1.00 ct. Signed Cartier, No. AT0798. S...

PEARL, RUBY AND DIAMOND RING. White gold 750. Set with 1 South Sea cultured pearl of ca. 14.5 mm Ø and 10 brilliant-cut diamonds weighing ca. 0.15...

DIAMOND RING. White gold 750, 10 g. Set with brilliant-cut diamonds weighing ca. 3.00 ct. Modification of the original 'Paris Nouvelle Vague' mode...

DIAMOND BRACELET, GÜBELIN, ca. 1950. White gold 750. Set throughout with 93 brilliant-cut diamonds weighing ca. 7.00 ct. L ca. 18 cm. With copy of...

TAHITI PEARL NECKLACE. White gold 750. Necklace of 35 silver-grey Tahiti cultured pearls, of ca. 10 to 13.5 mm Ø. L ca. 44.5 cm. TAHITI-PERLEN-CO...

DIAMOND BRACELET, ca. 1950. White gold 585. Elegant bracelet, set with 31 brilliant-cut diamonds weighing ca. 3.00 ct and numerous single-cut diam...

ORE MINERAL AND DIAMOND RING. White gold 750, 29 g. Band ring of a mixture of pyrite and covellite, mounted on a white gold ring decorated with 1 ...

DIAMOND RING. White gold 750. Decorated with numerous brilliant-cut diamonds weighing ca. 1.20 ct. Size ca. 53. DIAMANT-RING. Weissgold 750. Deko...

GOLD AND DIAMOND RING, CARTIER. White gold 750. 'Panther' model. Set with 35 brilliant-cut diamonds weighing ca. 0.40 ct. Signed Cartier, No. 6634...

PEARL AND DIAMOND RING. White gold 750. Set with 2 South Sea cultured pearls of ca. 11.5 mm Ø and pavé-set with brilliant-cut diamonds weighing ca...

PEARL AND DIAMOND NECKLACE. White gold 375. Necklace of 23 white and 22 grey cultured pearls, and 12 gold links set with diamonds. Adjustable clas...

DIAMOND RING. White gold 750. Set with 9 brilliant-cut diamonds of different colours. Total diamond weight 4.80 ct. Size ca. 54. BRILLANT-RING. W...

PEARL AND DIAMOND EAR STUDS. Silver over pink gold, white gold 585. Each of 1 white South Sea cultured pearl of ca. 15.5 mm Ø , with a fine lustre...

SAPPHIRE, PEARL AND DIAMOND RING. White gold 750. Set with 1 South Sea cultured pearl of ca. 13 mm Ø, and square-cut sapphires weighing ca. 5.90 c...

DIAMOND RING. White gold 750, 22 g. Designed as a dolphin, set throughout with brilliant-cut diamonds weighing ca. 2.50 ct, and 2 sapphires as eye...

GOLD AND DIAMOND BANGLE. White gold 750, 65 g. Decorated with 3 pavé-set rings weighing ca. 1.50 ct. Ca. 5 x 3.8 cm. GOLD-DIAMANT-ARMSPANGE. Weis...

GOLD AND DIAMOND BANGLE. White gold 750, 64 g. Gold bangle with hinge, decorated with numerous diamonds. Total diamond weight ca. 1.10 ct, 1 diamo...