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Lot 2180. 15.07 carat Burma sapphire and diamond ring. Estimate CHF 60 000 / 80 000 (€ 55 560 / 74 070)© Koller Auctions

Platinum 950, 15g. Set with 1 Burma sapphire of 15.07 ct, not heated, surrounded by brilliant-cut diamonds weighing ca. 1.60 ct. Size ca. 55.

With SSEF-Report no. 89997, February 2017, LOTUS-Report no. 9599-9398, March 2016 and CGL-Report no. CGL10401, November 2015. 

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Koller Auctions. Jewellery - Thursday 29 June 2017, 02.00 PM