18k White Gold Tourmaline & Diamond Halo RingItem Information Master Piece Custom Designed by Le Vive Natural Clean Pink Tourmaline 6. 8mm, surrounded by a beautiful Diamond Halo basket that is also hand engraved and is pave set under the engraved portion, Halo and Shoulders are set on prong. SIZEABLE. Precious Metal 18k White Gold Ring Size 6 to 8 Center Stone Info: Type Tourmaline Cut Round Color Red Carat 1. 7 Side Diamonds Info: Cut N A Clarity N A Color N A Carat 0. 72 Total Carat Weight