Gemstone Knowledge

In-depth guides on moissanite, diamond, lab-grown diamond, ruby, sapphire, emerald and aquamarine: properties, origin, pricing and buying.

15 articles total

Gemstone Knowledge

Topaz: From Imperial Pink to Mystic Blue, the Full Color Guide

Explore topaz colors: imperial (pink-orange), blue (irradiated), mystic, white, and yellow. Treatment methods, durabilit...
Editorial Team Sep 29, 2026 4 min read
Gemstone Knowledge

Amethyst and Citrine: The Affordable Quartz Family Beauties

Complete guide to amethyst (purple quartz) and citrine (yellow quartz): color grading, heat treatment, origins, pricing,...
Editorial Team Sep 29, 2026 4 min read
Gemstone Knowledge

Tanzanite: The Rare Blue-Violet Gemstone Found in Only One Place

Discover tanzanite: the rare blue-violet zoisite found only in Tanzania. Color grading, heat treatment, trichroism, pric...
Editorial Team Sep 29, 2026 4 min read
Gemstone Knowledge

Diamond 4Cs Explained: A Manufacturer's Guide to Quality and Value

Master the diamond 4Cs from a manufacturing perspective: how cut affects brilliance, color grading, clarity inclusions, ...
Editorial Team Sep 29, 2026 4 min read
Gemstone Knowledge

Aquamarine: The Complete Guide to the Blue-Green Beryl

Everything about aquamarine: color range (blue to blue-green), clarity, heat treatment, origins, pricing, and why it's a...
Editorial Team Sep 29, 2026 4 min read
Gemstone Knowledge

Emerald Buying Guide: Color, Inclusions, and the Jardin Secret

Complete emerald buying guide: color grading, the jardin (inclusions), oil treatment, synthetic vs natural, origins, and...
Editorial Team Sep 29, 2026 4 min read
Gemstone Knowledge

Sapphire Colors Explained: Beyond Blue to the Full Spectrum

Explore the full spectrum of sapphire colors: royal blue, cornflower, padparadscha, pink, yellow, green, and color-chang...
Editorial Team Sep 29, 2026 4 min read
Gemstone Knowledge

Ruby Buying Guide: Understanding Color, Clarity, and Treatment

Expert guide to buying rubies: color grading (pigeon blood), clarity, heat treatment, synthetic vs natural, and pricing ...
Editorial Team Sep 29, 2026 4 min read
Gemstone Knowledge

Lab-Grown Diamonds: How They're Made and Why They're Changing Jewelry

Learn how lab-grown diamonds are created via CVD and HPHT, their quality grades, pricing, and why ethical consumers are ...
Editorial Team Sep 29, 2026 4 min read
Gemstone Knowledge

Moissanite 101: The Complete Guide to the World's Most Brilliant Gemstone

Everything you need to know about moissanite: properties, brilliance, durability, pricing vs diamond, and why it's the f...
Editorial Team Sep 29, 2026 5 min read