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opal and diamond brooch
9 octobre 2024

Dazzling jewellery treasures from Tsar Ferdinand of Bulgaria and his court offered at auction at Sotheby's

Dazzling jewellery treasures from Tsar Ferdinand of Bulgaria and his court offered at auction at Sotheby's
Fancy Gray-Blue diamond and coloured diamond tie pin, early 20th century, owned by Ferdinand I, Tsar of Bulgaria (1861-1948). Estimate 500,000 USD - 700,000 USD . Courtesy Sotheby's. . GENEVA .- This November, Sotheby’s will present A Tsar’s Treasure:...
12 juin 2014

An opal and diamond brooch, Ruser

An opal and diamond brooch, Ruser
An opal and diamond brooch, Ruser. Photo: Bonhams designed as a circular-cut diamond bird, with a pear-shaped opal body, sitting on a baguette-cut diamond perch, enhanced by an onyx cabochon eye; signed Ruser, with signed box; estimated total diamond...