Natural blue topaz

origin: Brazil - 12.74 carats - color: Swiss Blue - shape: oval - dimensions: 16.62 x 12.49 x 7.63 mm - clarity: VS - treated - cut: brilliant &  fancy - with GFCO certificate (Swiss laboratory) AD13015P 
Any customs clearance costs are to be paid by the buyer. The lot is not visible on site, and can be collected by appointment only after 7 working days from the end of the auction.