Comfort Fit tungsten inlay ring style is made of jewelry grade tungsten carbide
that contains no cobalt. The ring has polished beveled edges and has
an inlay of beautiful laboratory grown blue/green opal.
At the time of
purchase, your ring is automatically registered with the most comprehensive
lifetime warranty in the industry. Besides covering manufacturing defects of
any kind for life, the warranty also covers accidental damage to the ring. See
full warranty details here.