Sotheby’s Fine Jewelry | 14 May 2026

There are many striking antique Jewels coming up for Auction this month, with a Diamond Star Tiara and several antique and Art Deco Brooches among the magnificent Jewels on Auction in the Sotheby’s ‘Fine Jewelry’ Sale in Geneva tomorrow!

Diamond Brooches

Estimate: 10,000 – 15,000 CHF

A pair of Diamond Brooches, each designed as a floral and foliate spray, the flowerheads mounted en tremblant, entirely decorated with old mine- and old European-cut diamonds, circa 19th century.

Cartier Ruby and Diamond Jabot Brooch

Estimate: 4,000 – 6,000 CHF

A Cartier Ruby and Diamond Jabot Brooch, designed as an arrow, decorated with calibré-cut rubies and rose-cut diamonds, circa 1920.

Verger Frères Emerald, Onyx, Enamel and Diamond Lapel Watch

Estimate: 30,000 – 50,000 CHF

A Verger Frères Emerald, Onyx, Enamel and Diamond Lapel Watch, of geometric design, millegrain-set with cabochon emeralds, polished onyx, old European- and single-cut diamonds, suspending an oval dial within a case decorated with a black enamelled meander pattern, the obverse collet-set with a cabochon emerald.

Cartier Diamond Brooch

Estimate: 10,000 – 12,000 CHF

A Cartier Diamond Brooch, the fan-shaped brooch of geometric design, centring a half-moon-shaped diamond, set with old European-cut and baguette diamonds, circa 1920.

Suzanne Belperron Emerald and Diamond Clips

Estimate: 26,000 – 40,000 CHF

A pair of Suzanne Belperron Emerald and Diamond Clips, of scroll design, collet-set with slightly graduated lines of step-cut emeralds, embellished with old mine-cut diamonds, circa 1933-1937.

Boucheron Enamel and Diamond Brooch

Estimate: 8,000 – 12,000 CHF

A Boucheron | Henri Picq Enamel and Diamond Brooch, of giardinetto design, set with old European- and single-cut diamonds, accented by square diamonds, the tree trunk applied with black enamel, circa 1920s.

Diamond Brooch

Estimate: 6,000 – 8,000 CHF

A Diamond Brooch, designed as a tiered crescent moon set with old European- and single-cut diamonds.

Diamond Star Tiara

Estimate: 15,000 – 20,000 CHF

A Diamond Tiara featuring three detachable stars set with old mine- and old European-cut diamonds, circa 1880. The three stars detachable to be worn as brooches or pendants. Three hairpin fittings.

Alphonse Fouquet Pearl and Diamond Pendant

Estimate: 10,000 – 15,000 CHF

A Alphonse Fouquet Pearl and Diamond Pendant, featuring a button-shaped natural pearl within a double border of old mine- and rose-cut diamonds, the detachable bail set with a roundish natural pearl embellished with rose-cut diamonds, circa 1880.

Mario Buccellati Diamond Brooch

Estimate: 8,000 – 11,000 CHF

A Mario Buccellati Diamond Brooch, designed as a floral and foliate spray set throughout with old mine- and rose-cut diamonds, signed M. Buccellati.



 

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