sapphires

How to Determine a Value of Blue Sapphire? Based on 4Cs plus OT – A Buying Guide [Video]

I decided to do a video tutorial explaining how I will go about determining the value of a blue sapphire. The method I used to determine the value is by first categorizing the stone based on the 4Cs + OT method. The six criteria I have summarized in bullet form below: HOW TO DETERMINE A …

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Blue Sapphire Buying & Treatment Guide – How to buy and tell the difference between natural unheated, heated, lattice diffusion treatment, and the brand new glass-filled sapphire?

Why is it Important to Learn About Sapphire Treatments? Distinguishing between natural, no treatment sapphire with heated or new treatment sapphires is a very important skill every gemstone buyer should learn before venturing out to buy one. The price between each level of treatment can range from.  The exceptionally expensive US$5,000 per carat for unheated …

Blue Sapphire Buying & Treatment Guide – How to buy and tell the difference between natural unheated, heated, lattice diffusion treatment, and the brand new glass-filled sapphire? Read More »

How to Buy Gemstones in Bangkok, Thailand?

Buying a color gemstone in Bangkok can be both a rewarding or horrifying experience. When one scans in travel forums or discussion boards, it will seem there is more horror “Thai Gem scams” story then the pleasant rewarding ones. It has always been a fact that negative news is more popular.  Media likes focusing more …

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