Paraiba Tourmaline Dimond Ring Large 5.37 cttw GIA Certified Neon Pool Blue Color 18k White Gold Size 7 – Available at Amazon Paraiba Tourmaline Dimond Ring Large 5.37 cttw GIA Certified * 18k – Available in Amazon & (Review by – e-Bay Care Inc.)   Quick Overview: Paraiba Tourmaline Dimond Ring Large 5.37 cttw GIA