Gemologist's Journal · Bangkok

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Gemstones, General, Sapphire

Why Your Unheated Yellow Sapphire Turned White: What No One Told You Before You Bought It

A client of mine bought a beautiful yellow sapphire from us. GIA certified 11.16 carats, natural, unheated (no indication of heat treatment), perfect vivid yellow color with the full story on paper. A premium stone by any standard, which I paid a premium price for as well. He bought it for Vedic astrological purposes. […]

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Diamond, Lab Grown Diamonds

Are Lab Grown Diamonds Real? The Complete Guide to Lab Created Diamonds in 2026

Are Lab Grown Diamonds Real Diamonds? Facts First, let us get the facts straight. Are lab grown diamonds real diamonds? Simple answer is YES and NO! Lab grown diamonds are exactly the same as real diamonds in terms of being chemically, physically, and optically identical to natural diamonds. Both are made of carbon, have

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Gemstones, Sapphire

Understanding Gemstone Treatments: A Closer Look Blue Sapphires Diffusion Sapphires VS Heated Sapphires

Hello, gemstone enthusiasts! Welcome to another video summary post on gemstone treatments. Today we’re diving deep into the world of blue sapphires, specifically examining whether they’ve undergone lattice or chemical diffusion treatments or if they’re simply heat-treated. Why Are Sapphires Treated? Before we delve into the testing process, it’s important to understand why sapphires

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Diamond, General

How much does it cost to buy a 0.50 carat or 1 carat or 2 carat diamond ring in Bangkok, Thailand?

ภาษาไทย If you’re considering purchasing a 0.50 carat, 1 carat or 2 carat diamond ring in Thailand, you’re probably wondering how much it will cost. Understanding the price range is essential for making an informed decision. In this comprehensive guide, we’ll explore the factors that influence the price of a diamond ring. Before diving

How much does it cost to buy a 0.50 carat or 1 carat or 2 carat diamond ring in Bangkok, Thailand? Read →