Stylish estate Paraiba Tourmaline & Diamond ring crafted in 950 platinum. One pear mixed cut Natural Tourmaline, approx. 0.50ct (7.5 x 4.5mm), vivid greenish-blue color, moderately included, very good cut. The color is called "Paraiba" in the trade. The tourmaline is in very good condition and free of cracks or chips. Eighty-five full cut round diamonds, total weight approx. 0.55ct, G-H/VS qualities. The ring will ship with a certificate from Guild Laboratories. The report provides an 'Estimate of Retail Selling Price New For Comparison Purposes' - $4,200. The beautiful Paraiba tourmaline mirrors the turquoise lagoon waters of Tahiti, surrounded with a double row of diamonds set in a halo design. The breathtaking color of the stone is due to the presence of copper and manganese, creating a