Paraiba Tourmaline Diamond Ring GIA 18k White Gold Estate JewelryA spectacular Paraiba tourmaline and diamond ring, crafted of 18k white gold, featuring a Paraiba tourmaline that comes with a GIA Tourmaline Report. The Paraiba tourmaline displays a saturated neon blue tone, framed by two rows of round brilliant cut diamonds: 16 larger diamonds on the outer halo and 38 smaller diamonds on the inner row. In total, 54 diamonds are set in prongs, creating a bright frame that complements the vibrant center gemstone.