The 29th Avenue: Natural Opal and Diamond Halo Ring in White Gold. The ring centers on a 7.22mm x 5.11mm pear cabochon natural crystal opal with charming display of color. Surrounding the center is a halo of round cut natural diamonds. The diamonds continue down the shank with filigree on the side of the center head to complete the look. The ring is crafted in 14 karat white gold and is currently a finger size 7 yet can be adjusted to any finger size for an additional charge on request.