Diamond Durability
Diamonds are among the hardest substances on earth; in fact they use diamonds and diamond dust to cut diamonds. Other gemstones are hard as well, but not nearly as hard as a diamond...
Diamonds
Gemstones
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. 
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...Welcome to Asia Gemological Laboratory
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Thank you, thank you and thank you! 
Hi Mr Teh, thanks so much your advices. Now I know how to differentiate between the fake diamonds and real diamonds. :)
Hi Mr Teh, thanks so much your advices. Now I know how to differentiate between the fake diamonds and real diamonds. :)Not worry anymore. 
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. :)
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. :)