Importance of Untreated Yellow sapphires and Other Yellow sapphires
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Untreated gemstones are those stones which have not received any heat or laboratory treatment. Nowadays, it is extremely hard to find a gem dealer who boasts of providing untreated, natural stones. Ceylon is one of the regions in world which is famous for supplying natural rich quality yellow sapphires . Nowadays, almost 99 percent of yellow sapphires and other stones are highly treated or enhanced in laboratory to uplift the appearance of the stone.