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Asia Gemological Laboratory - Diamonds  Diamonds form between 75-120 miles below the earth's surface. According to geologists the first delivery of diamonds was somewhere around 2.5 billion years ago and the most recent was 45 million years ago.
Asia Gemological Laboratory - Gemstones Gemstones can be precious and semi-precious. There are several precious gemstones sold in the market as well as semi precious stones. A lot of people nowadays purchase gemstones for different reasons.

 

Gem Identification Basic

Techniques in cutting and shaping gemstones are vital to a...

 

Colored Stone Grading Basic

Gems come in every color of the spectrum. While sapphires,...

 

Diamond Grading Basic

Diamonds are graded for certification by laboratories usin...

 

Synthetic & Treated Stone Basic

For centuries, people have always tried to improve objects...

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Asia Gemologist Laboratory - Cubic Zirconia Rings

Cubic Zirconia Rings

Rings have been worn for centuries before the creation of the cubic zirconia.  It is said, rings were popular during medieval times.  During that time people of all classes ...

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Asia Gemologist Laboratory - How to Care for Your Diamond

How to Care for Your Diamond

Caring for a diamond takes more than occasional cleanings. Diamonds are forever, but they can be damaged if you are not careful. By learning how to properly care for your diamond...

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how2buyengagementringsmall

How to Buy Diamond Engagement Rings

There is much to consider when purchasing a diamond - especially diamond engagement rings! The tradition of presenting a woman with a diamond engagement ring when...

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Asia Gemologist - What Are Dirty Diamonds?

What Are Dirty Diamonds?

A dirty diamond is one of two things: a rough diamond, or a diamond that hasn't been  cleaned in a while. Rough diamonds are uncut and unpolished - hence, they are dirty.

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Asia Gemologist - Semi Precious Gemstones: Facts and Information on Amber

Semi Precious Gemstones: Facts and Information on Amber

Amber is a fossilized resin that came from the sap of a particular tree that is now extinct and was suspended inside it. Sometimes...

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Testimonial

Thank you, thank you and thank you! Asia Gemological Laboratory - Customer Testimonial Hi Mr Teh, thanks so much your advices. Now I know how to differentiate between the fake diamonds and real diamonds. :)
Not worry anymore. Asia Gemological Laboratory - Testimonials When I go shopping jewelry, I don't worry anymore because sometimes I am even more expert than the salesgirls. They can't cheat me. :)