Mercury Mist Topaz, a titanium treated natural topaz, showing the most absolutely blazing Silvery/Blue/Gold/Green/Whatever you've ever seen.

(It's kind of hard to describe, actually...)  A heart-stopping stone, especially in the sunlight! 

Here we have it in an Emerald cut measuring 12x10mm and weighing 7 carats. The center stone is accented with two 5 pt. CZ's on either side.  It's a good, solid ring.

This setting has a strong structure and is well built. Look at the thickness of the gold in the prongs and the ring shank