Natural blue sapphire a very rare gemstones in 18K yellow gold settings with triple lock and have double figure of eight safety lock. Solid settings Size: 16.5cm Weight: 10.8g Double lock Hallmarked of Gold :K18 Emerald hallmarked: S 1.55 D0.19 Natural Blue Sapphire Round brilliant cut 5pcs *0.31 Tcw: 1.55ct Natural diamond Round brilliant cut Top Si clarity 27pcs*0.007 tcw: 0.19 Declared valued Outside European union is subject to custom tax Comes with Jewelry box Secured packaging Gemstones are commonly treated to enhance colour or clarity. This has not been researched for this specific item. Typographic errors are subject to correction. Merchandise enlarged to show detail and may not always be exactly as pictured. Happy Bidding