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Education
Gemstones, metals and carats explained, so you can buy with confidence.
Education
Gemstone Hardness: Which Stones Are Best for Everyday Jewelry?
Gemstone hardness is measured on the Mohs scale from 1 to 10. This guide rates every birthstone, explains why 7 is the line for everyday rings, separates hardness from toughness, and shows which settings and jewelry...
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Education
Amethyst Jewelry Guide: Color, Quality and Care
February's birthstone, explained: how to judge amethyst color, which jewelry styles suit it best, what it costs, and how to keep that purple from fading.
Education
A Beginner's Guide to Fine Jewelry: Metals, Stones and Care
New to fine jewelry? Learn what 10k, 14k and sterling silver really mean, how natural, lab-created and simulated stones differ, and how to choose and care for pieces that last.
Education
What Is a Carat? Carat Weight, Size and Price Explained
A carat is a weight, not a size: 0.2 grams. Here is how carat weight translates to millimetres, what "ct. tw." means on earrings, and how to choose the right carat for your budget.
Education
What Is My Birthstone? A Month-by-Month Birthstone Finder
Find your birthstone in seconds with our month-by-month chart, then explore each stone's meaning, durability, and the best ways to give it as a gift.