Irisa by Martin Binder 14-Karat White Gold Tourmaline & Diamond Necklace Center: One Briolette Cut Tourmaline Gemstone (6.19 ct) Accents: Four Pear Cut Diamonds (0.33 ctw) Accents: Forty-Seven Round Cut Diamonds (0.42 ctw) 18 Inch Designer Rolo Chain with Lobster Clasp