Opal Gemstone is a very good substitute for Diamond. Do you want to Buy Original Opal Gemstone Online? But got confused after the research of Opal Stone, which one is good? Got confused which one is Original & which one is Duplicate? Want to Buy Unheated & Untreated Australian Opal Gemstone? Looking for someone selling Natural Opal Gemstone? These are very common Doubt in the mind of everyone who wants to Purchase Opal Stone. This is because, when you search online for Opal Gemstone on Internet you can see lot of Price Range in Opal Gemstone from cheapest to Very Expensive, So normally everyone got confused and the basic question comes in mind of everyone is that- What is the Difference between them? And Which one is original? Yes there are many peoples who are selling Duplicate Opal Stone at very cheap price.