Lot 534. The Bessborough Diamond Tiara. A n impressive Chaumet Art Deco diamond tiara. Marquise-shaped diamond, single and old-cut diamonds, platinum (French marks), 1931, maker's mark. Price realised CHF 945,000 ( Estimate CHF 800,000 – CHF 1,500,000)....

Lot 204, An Art Deco tiara-necklace, circa 1935. Estimate £30,000 - £50,000 ($56,100 - $93,500 ). Price Realized £41,825 ($78,213). Photo Christie's Image Ltd 2004. Of openwork design, the central detachable geometric panel set with old-cut diamonds and...

An emerald and diamond tiara-necklace, mounted by Cartier. Photo Christie's Image Ltd 2013 Designed as a series of graduated diamond-set openwork palm motifs, each centering upon a diamond collet, the central motif enhanced by a cabochon emerald, raised...

Mellerio Diamond and Platinum Necklace and Tiara, circa 1950. Photo courtesy Macklowe Gallery A French platinum and diamond necklace/tiara by Mellerio. The necklace features 200 round-cut diamonds with an approximate total weight of 44.25 carats, and...

Gold and diamond tiara-necklace, early 19th Century, composite - Photo Sotheby's The chased gold frame supporting a row of pinched collet-set table-cut and rose diamonds, to a surmount with floral and foliate gold work, capped with similarly cut stones,...

A late 19th century sapphire and diamond tiara-necklace combination, circa 1890 The tiara designed as a graduating knifewire spray of old brilliant-cut diamond dart motifs, surmounted by cushion-shaped sapphire and old brilliant-cut diamond clusters alternating...