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?

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Natural emerald buying & treatment guide – How to buy and tell the difference between 100% natural, no oil, minor, moderate and significant treatment emeralds?

Telling the difference between a natural, no oil emerald from the one which has been “enhanced” with oil or resin or dye is a very important skill any emerald buyer should know before going out there to buy one.   Depending on the level of treatment and/or type of treatment, there are significant different price points … Continue reading Natural emerald buying & treatment guide – How to buy and tell the difference between 100% natural, no oil, minor, moderate and significant treatment emeralds?

Rare 3.02 carats unheated ruby & GIA certified 2.87 carats no oil & untreated emerald!

We have recently acquired two very unique gemstones.  Both are 100% natural and not subject to any treatment by man! The first one is an unheated and no treatment 3.02 carats vivid red ruby from Mozambique.  The stone has been certified by GRS (Gemresearch Swisslab).  Details in how rare this type of ruby is can be read … Continue reading Rare 3.02 carats unheated ruby & GIA certified 2.87 carats no oil & untreated emerald!

Natural ruby buying & treatment guide – How to buy and tell the difference between natural unheated, heated, new glass filled ruby treatment?

Distinguishing between natural no treatment rubies with heated or new treatment rubies is a very important skill every ruby gemstone buyer should learn before venturing out to buy one.   The price between each levels of treatment can range from the exceptionally expensive US$10,000 per carat for unheated natural rubies to US$1 per carat for new … Continue reading Natural ruby buying & treatment guide – How to buy and tell the difference between natural unheated, heated, new glass filled ruby treatment?

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?

Gemstones Basic 101: The 9 Essentials for Gemstones

Top Color Emerald

Gemstones come in many shapes, colors and forms and therefore are harder to define than a Diamond. As there are so many varieties and species, value are usually based on multiple factors assumed in the market. We tried summarizing the essential criteria for most gemstones below: Aesthetics: Aesthetics or beauty of a gemstone can be … Continue reading Gemstones Basic 101: The 9 Essentials for Gemstones