14 May 2025 - Prince Ricardo De La Cerda
There are many striking antique Jewels coming up for Auction this month, with the Bolin Sapphire Necklace of Grand Duchess Alexandra of Mecklenburg-Schwerin among the spectacular antique Jewels going on Auction at the Christie’s ‘Magnificent Jewels’ Sale in Geneva tomorrow!
Estimate: CHF 200,000 – CHF 300,000
From a Princely Family
A Bolin Sapphire and Diamond Necklace set with oval and cushion-shaped sapphires, old-cut diamonds, gold, detachable sapphire links, 1900s unsigned, workmaster’s mark of Vasily Finikov, St Petersburg, scratched inventory number ‘43348’.
The Bolin Sapphire Necklace of Princess Alexandra of Hanover, Grand Duchess of Mecklenburg-Schwerin is going on Auction from the estate of her granddaughter, Princess Elisabeth zu Ysenburg-Büdingen-Wächtersbach.
Estimate: CHF 70,000 – CHF 100,000
From a Princely Family
An antique Sapphire and Diamond Brooch, set with octagonal-shaped sapphire, old and rose-cut diamonds, silver and gold, circa 1860. Last worn by Princess Elisabeth of Schleswig-Holstein-Sonderburg-Glücksburg, Princess zu Ysenburg-Büdingen-Wächtersbach.
Estimate: CHF 140,000 – CHF 180,000
An antique Emerald and Diamond Brooch / Pendant set with an Emerald cabochon of 42.14 carats, old-cut diamonds, yellow gold and silver, circa 1880, red Carl Ernst case.
Estimate: CHF 40,000 – CHF 60,000
An Emerald and Diamond Brooch/Pendant with octagonal and pear-shaped emeralds of 3.97 and 1.20 carats, old-cut diamonds, silver and gold (French marks), 1890s, detachable central emerald element and emerald pendant.
Estimate: CHF 100,000 – CHF 130,000
An Art Deco Diamond Clip Brooch set with a marquise brilliant-cut diamond of 9.66 carats, round diamonds, platinum and 18k gold (French marks), 1930s, numbered.
Estimate: CHF 50,000 – CHF 70,000
A Belle Époque Sapphire and Diamond Brooch / Pendant, set with a cabochon sapphire, old and rose-cut diamonds, platinum, silver and gold, circa 1910.
Estimate: CHF 300,000 – CHF 500,000
A pair of mid-20Th century Diamond Ear Pendants with pear brilliant-cut diamonds of 8.13 and 8.04 carats, marquise-shaped, baguette-cut and round diamonds, 18k white gold and platinum (French marks), 1950s, pendants detachable and replaceable with the following Pearl Pendants.
Estimate: CHF 42,000 – CHF 60,000
A Natural Pearl and Diamond Pendants with two natural drop-shaped pearls measuring approximately 11.15 – 11.30 x 15.00 and 10.55 – 11.00 x 14.50 mm, old and single-cut diamonds, platinum, 1930s, which can be attached to the previous Ear Pendants.
Estimate: CHF 20,000 – CHF 30,000
A Fabergé Chalcedony and Diamond Cape Clasp, each clasp of barbed quatrefoil form, centring a large cabochon mecca stone within a rose-cut diamond-set rim, in an openwork rose-cut diamond-set gold mount (Russian marks for St Petersburg), with a hook and loop on each clasp, maker’s mark (August Holmström), St Petersburg, 1899-1903.
Estimate: CHF 80,000 – CHF 100,000
A pair of Bulgari Emerald and Diamond Earrings set with pear-shaped emeralds of 10.58 and 10.06 carats, marquise-shaped and round diamonds, 18k white gold, signed Bvlgari.
By family tradition, this jewel was acquired directly from Bulgari.
Estimate: CHF 600,000 – CHF 1,000,000
A Bulgari Emerald and Diamond Pendent Brooch with a buff-top emerald of 43.55 carats and pear-shaped emerald of 24.84 carats, pear, marquise-shaped and round diamonds, platinum, pendant detachable, signed Bvlgari.
By family tradition, this jewel was acquired directly from Bulgari.
Estimate: CHF 170,000 – CHF 250,000
Wartski London
A Fabergé late 19th century transformable Diamond Necklace, with old, rose-cut and round diamonds, gold (Russian marks) and silver, pendant detachable to be worn as a brooch, secondary diamond lines detach for alternative necklace composition, circa 1890, maker’s mark (August Holmström to the pin and loop fitting), St Petersburg, fitted original wooden Fabergé case.
Estimate: CHF 500,000 – CHF 700,00
A JAR Diamond Necklace with old-cut and round diamonds, set in 18k rose gold and blackened silver, signed JAR.