Gemstone Knowledge
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
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
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
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
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
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
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
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