Geological Environments Where Gems Form Every gemstone is a product of its geological birthplace. The specific combination of rock types, temperature, pressure, chemistry, and geological history at a given location…
Heat Treatment in Gemstones: The Industry Standard Explained Heat treatment is the most universally practised enhancement in the gem trade. It is also, in many respects, the most philosophically contested.…
Fracture Filling and Enhancement: What You Need to Know About Oiled, Resin-Filled, and Glass-Filled Gems Look at a beautiful emerald under UV light and you will often see its fractures…
Dyeing and Surface Treatments in Gemstones: Detection and Disclosure A piece of jadeite jade with a vivid imperial green colour is one of the most coveted objects in the Asian…
Irradiation in Gemstones: Colour by Radiation Almost all the blue topaz sold in jewellery stores worldwide owes its colour to radiation. Natural blue topaz exists but is pale and rare;…
Everyday Wear vs Special Occasion Gems: Matching Stones to Lifestyles Not all gemstones are created equal when it comes to everyday wear. A ruby set in a well-designed ring can…
Synthetic Gemstone Manufacturing Synthetic gemstones are not fakes. They are real gemstones — chemically, physically, and optically identical to their natural counterparts — grown in a laboratory rather than formed…
From Mine to Market: The Journey of a Gemstone The sapphire on a customer's finger has a story that most people never hear. It began in metamorphic rock formed tens…
Natural vs Synthetic vs Imitation Gemstones The three-way distinction between natural, synthetic, and imitation gemstones is one of the most important concepts in jewelry retail. It underpins disclosure law, customer…
Famous Gemstone Mining Regions: The World's Great Gem Sources The world's finest gemstones come from a surprisingly small number of places — geological coincidences of chemistry, heat, pressure, and time…