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?

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