TOURMALINE AND DIAMOND RING
Oval-cut paraiba tourmaline of 2.77 carats, circular and rose-cut diamonds, gold, ring size 6
Gübelin, 2017, report no. 17031001: 2.77 carats, Brazil, 'Paraiba Tourmaline', treatment not determinable
US$150,000-230,000
TOURMALINE AND DIAMOND RING
Oval-cut paraiba tourmaline of 2.77 carats, circular and rose-cut diamonds, gold, ring size 6
Gübelin, 2017, report no. 17031001: 2.77 carats, Brazil, 'Paraiba Tourmaline', treatment not determinable
US$150,000-230,000
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