diamond grading

Gemology guide showing a gemologist using a loupe and tweezers to examine a colored gemstone.

Gemology Guide: A Complete Overview

Summary This gemology guide explains how to identify, grade, and value gemstones using scientific methods. You learn how gems form, how treatments affect value, and how synthetics enter the market. The guide covers essential tools, diamond and colored stone grading, and market behavior. You also explore career paths, education programs, and opportunities in labs, retail, […]

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A 10x triplet loupe held close to the eye, used to examine the internal features of a cut gemstone.

How to Use a Loupe for Gemstone Examination

Summary A simple, practical guide to using a 10x triplet loupe for gemstone examination. Learn how to choose and test a quality loupe, avoid distortion, and use correct hand technique. If you’re expanding your gemological skills, explore related topics like Gemstone Types Explained and Understanding the Gemological Microscope for deeper insight into gem testing tools.

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Two GIA-graded diamonds side by side showing different levels of brilliance and sparkle under light.

Diamond Certification Over Actual Quality Mistake: Choose Beauty

Buying a diamond? Many first-time buyers make the diamond certification over actual quality mistake by trusting the certificate more than their own eyes. A grading report lists carat, color, clarity, and cut, but it cannot capture the diamond’s real sparkle or fire. Example from my gem lab:Two diamonds. Same size, color, and clarity. Both had

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