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Lot 145. Colombian Modified Lozenge-shaped Emerald weighing 10.68 carats and Diamond Ring. Estimate 300,000 — 500,000 USD. Courtesy Sotheby's.

Centering a modified lozenge-shaped emerald weighing 10.68 carats, accented by baguette diamonds, size 5¾, partially numbered 2318.

Accompanied by AGL report no. 1093230 stating that the emerald is of Classic Colombian origin, clarity enhancement: insignificant, type: oil.

Sotheby's. Fine Jewels. New York, 17 Oct 2018, 10:00 AM