Colored Gemstones

Colored stone grading showing hue tone saturation comparison in rubies sapphires and emeralds.

Colored Stone Grading: An Expert Guide

Colored Gemstones, Gemology, Gemstone Education /

Introduction to Colored Stone Grading Colored stone grading serves as a vital language in gemology, enabling buyers and sellers to communicate quality effectively. However, unlike the straightforward D-to-Z scale for diamonds, the world of colored gems lacks universality, linearity, and full objectivity. Instead, multiple systems from labs like GIA blend standardized terms with expert judgment, introducing nuance and […]

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Vivid colored gemstones including ruby, sapphire, and emerald showing rich hues and natural inclusions.

Beyond Diamonds: The Real 4 Cs of Colored Gems

Colored Gemstones, Gemstone Education /

Understanding the 4 Cs in Colored Gemstones When it comes to colored gemstones, the 4 Cs—Color, Clarity, Cut, and Carat Weight—carry different meaning than they do for diamonds. Learning how each factor applies to colored stones will help you make smarter buying decisions. Color is King Unlike diamonds, where absence of color is prized, colored

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