Sterling Silver Faux Opal Lab Created Ruby & Cubic Zirconia Necklace

Sterling silver necklace with a faux opal pendant with light pink lab created ruby and clear cubic zirconia. Pink stones test in the ruby range on my presidium gem tester. Chain measures 18 inches length, pendant measures 7/8ths of an inch length and 1/2 an inch wide. Stamped 925 and acid tests positive for sterling silver. J