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Jewellery

Wednesday 26 November 2025, 11.00 AM



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CEYLON SAPPHIRE AND DIAMOND RING

Lot 2001 - A215 Jewellery - Wednesday 26 November 2025, 11.00 AM

CEYLON SAPPHIRE AND DIAMOND RING

White gold 750, 6g.
Set with 1 oval sapphire of ca. 4.0 ct, Ceylon, unheated, surrounded by 10 circular-cut diamonds weighing ca. 1.2 ct. Size ca. 55

CHF 2 000 / 3 000 | (€ 2 060 / 3 090)

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SAPPHIRE AND DIAMOND NECKLACE

Lot 2002 - A215 Jewellery - Wednesday 26 November 2025, 11.00 AM

SAPPHIRE AND DIAMOND NECKLACE

Platinum 900, clasp white gold 750, 70g.
Timeless necklace set with sapphires totalling ca. 34.3 ct and diamonds weighing ca. 7.2 ct. Stamped no. 386. L ca. 40 cm.

CHF 5 000 / 8 000 | (€ 5 150 / 8 250)

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CEYLON STAR SAPPHIRE AND DIAMOND RING

Lot 2003 - A215 Jewellery - Wednesday 26 November 2025, 11.00 AM

CEYLON STAR SAPPHIRE AND DIAMOND RING

White gold 750, stone setting palladium 950, 13g.
Set with 1 oval star sapphire cabochon of ca. 18.5 ct, Ceylon, unheated, in a surround of 22 brilliant-cut diamonds weighing ca. 0.9 ct. Size ca. 57, with sizing insert.

CHF 5 000 / 8 000 | (€ 5 150 / 8 250)

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SAPPHIRE AND DIAMOND EAR PENDANTS

Lot 2004* - A215 Jewellery - Wednesday 26 November 2025, 11.00 AM

SAPPHIRE AND DIAMOND EAR PENDANTS

White gold 750, 5g.
Ear pendants with French backs, each set with 1 oval sapphire within a double brilliant-cut diamond surround, the sapphires totalling ca. 2.30 ct. Total weight of diamonds ca. 1.00 ct. L ca. 3.3 cm.

CHF 2 000 / 3 000 | (€ 2 060 / 3 090)

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SAPPHIRE AND DIAMOND BRACELET

Lot 2005* - A215 Jewellery - Wednesday 26 November 2025, 11.00 AM

SAPPHIRE AND DIAMOND BRACELET

White gold 750, 33g.
Designed as 2 curved, crossing lines, set with round sapphires totalling ca. 8.00 ct and brilliant-cut diamonds weighing ca. 3.00 ct. L ca. 19 cm.

CHF 3 500 / 5 500 | (€ 3 610 / 5 670)

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CEYLON SAPPHIRE AND DIAMOND RING

Lot 2006 - A215 Jewellery - Wednesday 26 November 2025, 11.00 AM

CEYLON SAPPHIRE AND DIAMOND RING

Platinum 950, sapphire setting palladium 950, 7g.
Set with 1 sapphire of ca. 4.1 ct, Ceylon, with no indications of high-temperature treatment, low-temperature treatment possible, surrounded by small brilliant-cut diamonds totalling ca. 0.1 ct. Size ca. 54.

CHF 2 000 / 3 000 | (€ 2 060 / 3 090)

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CEYLON SAPPHIRE AND DIAMOND EARCLIPS

Lot 2007 - A215 Jewellery - Wednesday 26 November 2025, 11.00 AM

CEYLON SAPPHIRE AND DIAMOND EARCLIPS

Palladium 950, clips white gold 750, 13g.
Set with 1 sapphire of ca. 7.3 ct, Ceylon, unheated, and 1 sapphire of ca. 8.4 ct, Ceylon, no indications of high-temperature treatment, low-temperature treatment possible, decorated with single- and brilliant-cut diamonds weighing ca. 0.3 ct. Ca. 2.0 × 1.2 cm.

CHF 10 000 / 15 000 | (€ 10 310 / 15 460)

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CEYLON SAPPHIRE AND DIAMOND RING

Lot 2008 - A215 Jewellery - Wednesday 26 November 2025, 11.00 AM

CEYLON SAPPHIRE AND DIAMOND RING

Yellow gold 750 probably rhodium plated, 9g.
Set with 1 cushion-shaped sapphire of ca. 4.1 ct, Ceylon, with no indications of high-temperature treatment, low-temperature treatment possible, in a surround of 10 diamonds totalling ca. 1.2 ct. Size ca. 58.

CHF 3 000 / 5 000 | (€ 3 090 / 5 150)

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CEYLON SAPPHIRE AND DIAMOND BROOCH

Lot 2009 - A215 Jewellery - Wednesday 26 November 2025, 11.00 AM

CEYLON SAPPHIRE AND DIAMOND BROOCH

Palladium 950, pin white gold 750, 14g.
Set with 2 sapphires of ca. 8.2 ct and ca. 4.4 ct, both Ceylon, with no indications of high-temperature treatment, low-temperature treatment possible, decorated with small brilliant- and single-cut diamonds totalling ca. 0.4 ct. L ca. 3.5 cm.

CHF 6 000 / 9 000 | (€ 6 190 / 9 280)

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SAPPHIRE AND DIAMOND BRACELET

Lot 2010* - A215 Jewellery - Wednesday 26 November 2025, 11.00 AM

SAPPHIRE AND DIAMOND BRACELET

White gold 750, 48g.
Set with 12 pear-shaped sapphires totalling ca. 24.0 ct, heated, and with baguette- and tapered baguette-cut diamonds totalling ca. 10.0 ct. L ca. 19 cm.

CHF 12 000 / 18 000 | (€ 12 370 / 18 560)

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CEYLON SAPPHIRE AND DIAMOND NECKLACE

Lot 2011* - A215 Jewellery - Wednesday 26 November 2025, 11.00 AM

CEYLON SAPPHIRE AND DIAMOND NECKLACE

Platinum, 62g.
Set with brilliant-cut diamonds, the front decorated with 15 diamond-set elements, each suspending 1 pear-shaped sapphire, the reverse enhanced by 7 pear-shaped sapphires. Total weight of sapphires ca. 17.0 ct, Ceylon, with no indications of high-temperature treatment, low-temperature treatment can't be excluded. Total weight of brilliant-cut diamonds ca. 15.0 ct. L ca. 45 cm.

CHF 8 000 / 12 000 | (€ 8 250 / 12 370)

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CEYLON SAPPHIRE AND DIAMOND BROOCH

Lot 2012 - A215 Jewellery - Wednesday 26 November 2025, 11.00 AM

CEYLON SAPPHIRE AND DIAMOND BROOCH

Brooch platinum 950, underside of the brooch, bars and chain white gold 750, 18g.
Centred by 1 oval sapphire of ca. 15.0 ct, Ceylon, unheated, surrounded by 5 sapphires totalling ca. 2.3 ct, decorated with diamonds totalling ca. 2.5 ct. Ca. 4.0 × 3.5 cm. Ensuite a bracelet, white gold 750, allowing the brooch to be worn as a bracelet, ca. 35g.

CHF 8 000 / 12 000 | (€ 8 250 / 12 370)

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KASHMIR SAPPHIRE AND DIAMOND RING

Lot 2013* - A215 Jewellery - Wednesday 26 November 2025, 11.00 AM

KASHMIR SAPPHIRE AND DIAMOND RING

White gold 750, 4g.
Set with 1 oval sapphire of 1.87 ct, Kashmir, unheated, the setting and shoulders decorated with brilliant-cut diamonds totalling ca. 0.5 ct. Size ca. 53.

CHF 8 000 / 12 000 | (€ 8 250 / 12 370)

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SAPPHIRE AND DIAMOND RING

Lot 2014* - A215 Jewellery - Wednesday 26 November 2025, 11.00 AM

SAPPHIRE AND DIAMOND RING

Platinum 900, 12g.
Set with 1 oval sapphire of ca. 3.1 ct, heated, decorated with baguette- and brilliant-cut diamonds totalling 1.74 ct, diamond weight engraved. Size ca. 52.

CHF 3 000 / 5 000 | (€ 3 090 / 5 150)

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SAPPHIRE AND DIAMOND EARCLIPS

Lot 2015* - A215 Jewellery - Wednesday 26 November 2025, 11.00 AM

SAPPHIRE AND DIAMOND EARCLIPS

White gold 750, 12g.
Set with 2 sapphires totalling ca. 4.2 ct and 2 oval diamonds weighing ca. 6.04 ct, ca. K–L/VVS–VS. The borders decorated with 80 small diamonds totalling ca. 2.65 ct, ca. F–G/VVS–VS. L ca. 3.5 cm.

CHF 17 000 / 27 000 | (€ 17 530 / 27 840)

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SAPPHIRE AND DIAMOND BROOCH

Lot 2016 - A215 Jewellery - Wednesday 26 November 2025, 11.00 AM

SAPPHIRE AND DIAMOND BROOCH

Platinum 900, pin white gold 585, 18g.
Set with 74 brilliant-cut diamonds totalling ca. 2.8 ct, of good quality, and 23 sapphires weighing ca. 2.0 ct. Engraved numbers 544? and 4011. Ca. 5.2 × 3.4 cm.

CHF 2 000 / 3 000 | (€ 2 060 / 3 090)

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CEYLON SAPPHIRE AND DIAMOND RING

Lot 2017* - A215 Jewellery - Wednesday 26 November 2025, 11.00 AM

CEYLON SAPPHIRE AND DIAMOND RING

Platinum 950, ring resizing white gold 750, 10g.
Set with 1 oval sapphire of 17.72 ct, Ceylon, unheated, flanked by 2 small circular-cut diamonds totalling ca. 0.2 ct. Size ca. 57, with resizing spring.

CHF 15 000 / 25 000 | (€ 15 460 / 25 770)

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MULTIGEM AND DIAMOND CHOKER

Lot 2018 - A215 Jewellery - Wednesday 26 November 2025, 11.00 AM

MULTIGEM AND DIAMOND CHOKER

Platinum 900, connecting bars and clasp white gold 750, 196g.
Choker in Tutti Frutti style composed of 9 rows of graduated sapphire rondelles of ca. 3.8 – 6.7 mm Ø, joined by a rectangular, central clasp with floral motifs set with 4 tinted to yellowish diamonds totalling ca. 1.4 ct, colour origin not tested, further decorated with small brilliant-cut diamonds, framed by carved sapphire and emerald cabochons, as well as 8 round ruby and pink sapphire cabochons. Two additional decorative elements, each with 4 floral motifs, centred by 4 tinted to yellowish diamonds totalling ca. 1.4 ct, colour origin not tested, and surrounded by white brilliant-cut diamonds weighing ca. 3.5 ct. Maker’s mark AM. 1 small brilliant-cut diamond missing. L ca. 35 cm.

CHF 6 000 / 9 000 | (€ 6 190 / 9 280)

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CEYLON SAPPHIRE AND DIAMOND RING

Lot 2019* - A215 Jewellery - Wednesday 26 November 2025, 11.00 AM

CEYLON SAPPHIRE AND DIAMOND RING

White gold 750, 25g.
Set with 1 oval sapphire of ca. 6.9 ct, Ceylon, unheated, in a surround of diamonds totalling ca. 1.3 ct and sapphires weighing ca. 4.5 ct. Size ca. 51.

CHF 10 000 / 15 000 | (€ 10 310 / 15 460)

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SAPPHIRE AND DIAMOND BRACELET

Lot 2020 - A215 Jewellery - Wednesday 26 November 2025, 11.00 AM

SAPPHIRE AND DIAMOND BRACELET

Palladium 950 and yellow gold 585, 30g.
Set at the centre with 3 cushion-shaped sapphires of ca. 6.9 ct resp. 5.0 ct and 4.7 ct, probably Madagascar, unheated, 6 cushion-shaped sapphires weighing ca. 16.0 ct, probably unheated, and 29 sapphire carrés weighing ca. 8.5 ct resp. 76 brilliant-cut diamonds totalling ca. 1.5 ct. L ca. 17 cm.

CHF 13 000 / 18 000 | (€ 13 400 / 18 560)

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SAPPHIRE AND DIAMOND NECKLACE

Lot 2021 - A215 Jewellery - Wednesday 26 November 2025, 11.00 AM

SAPPHIRE AND DIAMOND NECKLACE

Platinum, 57g.
Alternatingly set with 30 oval sapphires weighing ca. 15.0 ct and floral motifs composed of 120 navette-cut diamonds totalling ca. 14.5 ct. Stamped number 396. L ca. 42 cm.

CHF 7 000 / 10 000 | (€ 7 220 / 10 310)

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BURMA SAPPHIRE AND DIAMOND RING

Lot 2022 - A215 Jewellery - Wednesday 26 November 2025, 11.00 AM

BURMA SAPPHIRE AND DIAMOND RING

White gold 750, 10g.
Set with 1 oval sapphire of ca. 11.85 ct, Burma, unheated, in a surround of 16 brilliant-cut diamonds weighing 1.44 ct, weights engraved. Size ca. 54.

CHF 25 000 / 35 000 | (€ 25 770 / 36 080)

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BURMA SAPPHIRE AND DIAMOND RING

Lot 2023* - A215 Jewellery - Wednesday 26 November 2025, 11.00 AM

BURMA SAPPHIRE AND DIAMOND RING

Platinum, 11g.
Set with 1 oval sapphire cabochon of ca. 11.5 ct, Burma, unheated, surrounded by brilliant-cut diamonds weighing ca. 0.8 ct. Size ca. 52.

CHF 3 000 / 5 000 | (€ 3 090 / 5 150)

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CAMEO BRACELET AND HAIR COMB, ca. 1880

Lot 2024* ♣ - A215 Jewellery - Wednesday 26 November 2025, 11.00 AM

CAMEO BRACELET AND HAIR COMB, ca. 1880

Yellow gold, 125g.
Set comprising a bracelet and a hair comb, each set with 5 layer agate cameos finely carved with portrait motifs. The mounts finely crafted and decorated to the sides with half pearls, the connecting links of ornamental design and further embellished with half pearls. The bracelet additionally set with small rose-cut diamonds. Pins of the hair comb made of tortoiseshell. 1 half pearl missing. L bracelet ca. 18.5 cm, hair comb ca. 10.4 × 12.8 cm. Please note that no export CITES can be obtained for the tortoiseshell pins of the hair comb.

CHF 4 000 / 6 000 | (€ 4 120 / 6 190)

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DIAMOND AND SAPPHIRE RING, probably Germany, ca. 1900

Lot 2025* - A215 Jewellery - Wednesday 26 November 2025, 11.00 AM

DIAMOND AND SAPPHIRE RING, probably Germany, ca. 1900

Yellow gold 585 and platinum, 5g.
Set with 1 pear-shaped old-cut diamond of ca. 0.7 ct, ca. D–E/SI2, and 1 pear-shaped sapphire of ca. 0.9 ct, heated, surrounded by circular-cut diamonds weighing ca. 0.4 ct, and decorated with 1 circular-cut diamond of ca. 0.3 ct and 6 small diamonds. Size ca. 53.

CHF 2 000 / 3 000 | (€ 2 060 / 3 090)

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