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

http://www.youtube.com/watch?v=9rZzprhjYtA In this post, I decided to do a video tutorial explaining how I will go about determining the value of a blue sapphire. The method I use to determine the value of a particular sapphire (or any gemstone) is by first categorizing the stone based on 4Cs + OT method, which are the six … Continue reading How to Determine a Value of Blue Sapphire? Based on 4Cs plus OT – A Buying Guide [Video]

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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?

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 levels of treatment can range from the exceptionally expensive US$5,000 per carat for unheated natural sapphires to US$1 per carat for the new … Continue reading 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?

How to Buy Gemstones in Bangkok, Thailand?

Buying a color gemstone in Bangkok or Thailand can be both very rewarding or horrifying experience.  However, when actually reading online in many travel forums or discussion boards, it will seem their are more horror "Thai Gem scams" story tales then the pleasant rewarding ones.  It has always been a fact that negative news like revolutions, accidents, … Continue reading How to Buy Gemstones in Bangkok, Thailand?