Sotheby’s Fine Jewelry | 31 March 2026

There are some striking Jewels coming up for Auction this time of year, including two Diamond Tiaras and a Diamond Rivière from a European Aristocratic Family on Auction in the Sotheby’s ‘Fine Jewelry’ Sale in Paris today!

Sotheby’s Fine Jewelry | 31 March 2026

Garnet and Diamond Brooch

Estimate: 5,500 – 8,500 EUR

A Garnet and Diamond Brooch of foliate design, set with three oval cabochon garnets enhanced with circular-cut diamonds, late 19th century.

Enamel and Diamond Tiara

Estimate: 5,000 – 8,000 EUR

From an European Aristocratic Family

An Enamel and Diamond Tiara of removable foliate motif set with rose-cut diamonds, ornated with a bird set with bleu enamel and rose-cut diamonds, end of the 19th Century.

Emerald and Diamond Brooch

Estimate: 4,500 – 8,500 EUR

An Emerald and Diamond Brooch, composed of two medallions made of monogrammed emerald plaques, enhanced with rose-cut diamonds, 19th century.

Diamond and Gold Cuff-Bracelet

Estimate: 15,000 – 30,000 EUR

A Diamond and Gold Cuff-Bracelet of floral design, decorated with finely chased motifs, set with a foiled back green stone, enhanced with foiled back rose-cut diamonds and rectangular emeralds, circa 1880.

Pearl And Diamond Tiara

Estimate: 8,000 – 12,000 EUR

A Natural Pearl and Diamond Tiara, composed of scroll motifs, to a star surmount, highlighted with natural pearls, circular-cut and rose diamonds, late 19th century, which was also auctioned in Paris last year.

Diamond Rivière Necklace

Estimate: 10,000 – 15,000 EUR

From an European Aristocratic Family

A Diamond Rivière Necklace designed as a graduated row of old mine-cut diamonds in pinched collet-settings, 19th century.

Diamond Pendent Necklace

Estimate: 6,000 – 10,000 EUR

A Diamond Pendent Necklace of foliate design, millegrain-set with old European- and rose-cut diamonds suspending a pear-shaped diamond pendant and topped with a fleur de lys, circa 1910.

Diamond Bangle Bracelet

Estimate: 4,500 – 6,500 EUR

A Diamond Bangle Bracelet designed as a bangle, decorated with a floral motif set with circular-cut and rose diamonds, late 19th century.

Diamond Necklace

Estimate: 8,000 – 18,000 EUR

A Diamond Necklace of open work articulated foliate design set with ancient-cut diamonds.

Diamond Tiara

Estimate: 10,000 – 15,000 EUR

From an European Aristocratic Family

A Diamond Tiara of foliate open work inspiration, the graduated fringe design, set with rose and ancient-cut diamonds, 1900’s.

Diamond Brooch

Estimate: 12,000 – 18,000 EUR

A Diamond Brooch designed as a crescent moon set throughout with circular- and rose-cut diamonds, late 19th century.

Eugène Basset, born in 1860, was a Parisian jeweler active from the late 19th to the early 20th century. He established his workshop in Paris in 1893 and later partnered with Moreau to form Basset & Moreau, active from 1900 to 1911. The firm produced high-quality diamond and platinum jewels and is known to have supplied important Parisian houses, including Boucheron.

Pearl and Diamond Brooch/Pendant

Estimate: 6,000 – 18,000 EUR

A Natural Pearl and Diamond Brooch/Pendant of foliate and openwork design, set with circular- and rose diamonds, suspending natural pearls, hoop and brooch fittings are deficient.

Diamond and Pearl Necklace

Estimate: 18,000 – 26,000 EUR

A Diamond and Pearl Necklace composed of a row of circular-cut diamonds, suspending a brooch-pendant of foliate design set with similarly-cut diamonds and suspending a drop-shaped natural pearl, 19th century.

Pearl and Diamond Clip

Estimate: 5,500 – 10,000 EUR

A Cultured Pearl and Diamond Clip shaped as foliate motifs set with brilliant-cut diamonds, ornated with a cultured pearl, 1950’s.

Pearl and Diamond Necklace

Estimate: 10,000 – 15,000 EUR

Natural Pearl and Diamond Necklace formed of two row of natural pearl measuring between 4.8 et 7.5 mm of button and drop shape between brilliant-cut, baguette-cut and pear-cut diamonds.

Emerald and Diamond Brooch

Estimate: 19,000 – 28,000 EUR

An Emerald and Diamond Brooch of foliate and openwork design, centered with a rectangular step-cut emerald weighing 6.16 carats enhanced with circular-cut diamonds, millegrain-set with single-cut diamonds.

Sapphire and Diamond Brooch

Estimate: 9,000 – 15,000 EUR

An Sapphire and Diamond Brooch of geometrical design collet-set with a cushion-shaped sapphire, set with circular-cut diamonds.

Boucheron Diamond Brooch

Estimate: 9,000 – 15,000 EUR

A Boucheron Diamond Brooch designed as an openwork circle set with circular-cut and baguette diamonds, signed Boucheron Paris, 1930s.

Art Deco Brooch

Estimate: 20,000 – 40,000 EUR

An Art Deco Brooch with colored stones and diamonds forming a rectangular openwork plaque decorated in the Chinese style with figures in traditional dress in a flowery landscape, enhanced with sapphires, emeralds, rubies, amethysts, yellow sapphires and calibrated cut tallow onyx, set with old cut and 8/8 diamonds, holding pendants set with diamonds and onyx of similar sizes.

This exceptional piece, now presented as a brooch, was originally part of an important necklace exhibited at the 1925 International Exhibition. The Leysen company presented a selection of jewelry made in Belgium, among which this necklace with its chinoiserie decoration stood out in particular.