How to distinguish between natural ruby, sapphires and emeralds from synthetics and imitations

To start today’s blog post I want to first tell you a true story about what happened to my friend who bought a ruby from Myanmar (Burma) when he visited there.  This same story can occur anywhere in the world but especially in countries where consumer protection is less stringent. Tomchai was visiting Myanmar (Burma) … Continue reading How to distinguish between natural ruby, sapphires and emeralds from synthetics and imitations

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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]

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?