An emerald line bracelet, Harry Winston, 1985. Photo courtesy Bonhams

composed of twenty-six graduated rectangular-cut cornered emeralds; maker's mark for Jacques Timey for Harry Winston, no. 9129, with signed box; total emerald weight: 38.21 carats; mounted in eighteen karat gold; length: 7 1/8in. Estimate: US$ 20,000 - 30,000 (€16,000 - 23,000)

Accompanied by AGL report #53322, dated February 14th, 2013, stating an excess of 50% of the emeralds tested at random to be of Zimbabwean origin, with evidence of faint traditional clarity enhancement.

Bonhams. 15 Apr 2013. New York. A Prominent Private Collection of Fine Jewelry