SummaryExplore Beth Bernstein’s Modern Guide to Vintage Jewellery to learn how to identify gemstones, styles, and collectible pieces from the 1930s to the 1980s. Perfect for collectors and enthusiasts. Beth Bernstein is a jewellery historian, author, journalist, and former designer. Her book Modern Guide to Vintage Jewellery explores collectible jewellery from the 1930s to the […]
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Summary The CIBJO Congress 2025 Pearl Report explains how scientific research supports transparency and sustainability in pearl farming.It highlights contributions from the CIBJO Pearl Commission, GIA, and DANAT, and previews the updated Pearl Guide, a 267-page educational reference for pearl-producing species. The CIBJO Congress 2025 Pearl Report demonstrates how science is reshaping the global pearl
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Summary Even a tiny chip can halve your emerald’s value. Learn how to inspect your stone for cracks, edge wear, and abrasions before you buy — straight from 40 years in the gem trade. From My Desk as a Gemologist A client once brought in a sparkling emerald he bought abroad for ₹3 lakh. Under
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Table of Contents Introduction DiamondView Zoom verification is the most reliable method by De Beers to determine whether a diamond is natural or laboratory grown. Using shortwave ultraviolet light, this device captures fluorescence patterns on the diamond surface, showing if a diamond is natural or a CVD/HPHT lab-grown diamond. Research confirms 0% false positives for
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Introduction Wishful thinking in gem identification is one of the most dangerous traps in gemology. When you want a stone to be valuable, confirmation bias can blind you to evidence that proves otherwise. This guide explains how to avoid the costly mistakes that come from desire overriding discipline. Is Wishful Thinking the Most Dangerous Trap
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Introduction Gemology mistakes happen to every beginner and even to seasoned experts. Instead of fearing them, you should see each mistake as part of your learning curve. In gemology, errors often lead to sharper skills, deeper knowledge, and stronger client trust. Why Gemology Mistakes Help You Grow The key is that every mistake has a
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Summary Buying minerals online offers convenience but also carries hidden risks. Many collectors lose money because they fall for misleading photos, vague descriptions, or unclear return policies. This guide explains the top three mistakes buyers make and how to avoid them, ensuring safe and smart mineral purchases. Introduction Buying minerals online seems simple. It saves
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SummaryDyed quartz often imitates amethyst and citrine. Learn how to identify color concentrations, uneven saturation, and bright synthetic hues with simple loupe inspection and expert signs. Quartz: The Master of Disguise Dyed quartz identification is a skill every gem enthusiast and jeweler should master. Dyed quartz often imitates amethyst and citrine so convincingly that even
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Summary Many emeralds and rubies on the market are fracture-filled with glass or resin to improve their clarity. You can identify these treated gems by spotting the flash effect—bright color flashes seen through a loupe. This guide explains how fracture-filling works, how to detect it, and why it matters for gem buyers and collectors. Introduction
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Summary In gemology, the wisest skill is humility. Knowing When You Don’t Know protects credibility, builds client trust, and keeps your science sharp. Introduction After 40 years in gemology, I’ve learned this truth: Knowing When You Don’t Know is your strongest professional skill.It’s not about memorizing data or mastering instruments—it’s about knowing your limits and
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