user-67dd090fb5feItalyNewon Catawiki1Object in auctionPrivateVerified sellerBuy safely – this seller has been identity-checkedLotsAll lots (1)Coloured Gemstones Auction (1)In auction now Objects from user-67dd090fb5fe All auctions1 pcs Blue Topaz - 52.45 ct - Antwerp Laboratory for Gemstone Testing (ALGT)