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Lot 142. A diamond necklace, Boucheron. Sold for US$ 31,250 (€26,373). Sold for US$ 22,500 (€18,988). Photo: Bonhams.

designed as an articulated choker, composed of diagonal bombé spiral links, set with round brilliant-cut diamonds;signed Boucheron, no. P56088, with maker's mark and French assay mark; accompanied by a signed box; estimated total diamond weight: 27.50 carats; mounted in 18k white gold; gross weight approximately: 140.00 grams; length: 13 1/8in.

Bonhams. FINE JEWELLERY, 4 Dec 2017, NEW YORK