Thorsten Rings Photon Tungsten Carbide Wedding Ring with Emerald Green and Sapphire Blue Opal Inlay with Polished Beveled Edges Comfort Fit Lightweight Durable Wedding Band - 8mm Highly Scratch Resistant Tungsten Polished Wedding Band Comfort Fit Great For Both Men & Women - Also Available in 6mm and 8mm Great Wedding Ring or Promise Ring Free Shipping, Free Lifetime Warranty, Free Lifetime Sizing Opal is known as the gem of brilliance and mystery and Sapphire is known as the gem of sincerity and trust.