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A multi-colored sapphire necklace, Tony Duquette. Photo Bonhams.

designed as a bib of carved leaf and oval faceted sapphires in various sizes and colors; signed Tony Duquette; estimated total sapphire weight: 916.00 carats; mounted in eighteen karat gold; gross weight approximately: 468.4 grams; length: 15 1/2in. Sold for US$ 43,750 (€31,611)

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A multi-colored sapphire bracelet, Tony Duquette. Photo Bonhams.

the wide bracelet set throughout with oval-shaped blue, yellow and pink sapphires, further detailed with pink, yellow, blue and purple carved sapphire leaves; signed Tony Duquette; estimated total sapphire weight: 305.00 carats; mounted in eighteen karat gold; length: 6 1/2in. Estimate US$ 25,000 - 35,000 (€18,000 - 25,000). Unsold

Bonhams. FINE JEWELLERY. New York, 9 Apr 2014 - www.bonhams.com