9ct GOLD Natural Gold Zircon Ring. These spectacular natural gold Zircons have been discovered and mined in Tanzania. This stone displays great `sparkle`, it is solidly set into our handmade 9ct Gold design.Zircon comes closer to resembling Diamond than any other natural gem. Its strong luster and intense fire gives it a real sparkle that is comparable to Diamond. This ring is size 57,or O, it weights 3.15g and the stone weights 1ct.