As a consumer, you will regularly encounter in the marketplace gems that have been treated to change their appearance. A topic that often comes up is whether a particular gemstone is or isn ... or ...

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This course provides basic, essential knowledge of colored stones, with an in-depth focus on the “Big Three” of the gemstone world: ruby, sapphire, and emerald. Subjects covered include the language ...

Gemstone Investments Ltd., incorporated in the year 1994, is a Small Cap company (having a market cap of Rs 20.03 Crore) operating in Financial Services sector. Gemstone Investments Ltd. key ...