Welcome to The Rockhounder's Gems! Here is a glowing 9x7mm oval Crystal Welo Solid Opal solitaire ring. This opal has a semi-translucent body with green , yellow , and blue fire!!!This unheated gemstone's weight is 1.64ct and is set in a. 925 Sterling Silver ring size 6 1/2! Will keep a box open for you. Thank you for your time! The item "1.64ct Crystal ETHIOPIAN WELO OPAL 9x7mm Oval. 925 Sterling Silver Ring Size 6.5" is in sale since Thursday, November 7, 2019. This item is in the category "Jewelry & Watches\Fine Jewelry\Fine Rings\Gemstone". The seller is "sirbobrob9" and is located in Kalispell, Montana. This item can be shipped worldwide.