GIA Certified Paraiba Tourmaline Necklace – 2.53ct – 18K White Gold with Diamonds A delicate pendant necklace featuring a GIA-certified copper-bearing tourmaline (commonly known as "Paraiba Tourmaline") in a vivid greenish-blue hue. The main stone weighs approximately 2.53 ct and is pear-shaped with a modified brilliant cut. It is set in an elegant 18K white gold mounting, surrounded by a halo of white accent diamonds. Main gemstone: Cuprian tourmaline (Paraiba type), 2.53 ct, GIA certified (Report no. 6442099331) Color: Greenish blue Treatment: Clarity enhanced Cut: Pear, modified brilliant Transparency: Transparent Setting: 18K white gold (stamped), approx. total weight 2.92 g Additional stones: White diamonds around the main gem (approx. 0.14 ct, not individually graded) Chain Length: Standard short chain (estimated around 38–40 cm) Condition: New, never worn Comes with original GIA certificate (not a copy). Shipping from: Bangkok, Thailand