Close-up of a sapphire with visible fine inclusions known as silk needles under magnification.

Why Inclusions Prove a Gem Is Natural

Fracture Filling, Gemologist, Gemology, Gemstone Clarity, Gemstone Inclusions, Gemstone Treatments, GIA, GII, GJEPC-GTL Jaipur, GRS, Gubelin, Heat Treatment, IGI, Irradiation, Oiling, SSEF, Surface Diffusion /

Summary Some inclusions make gemstones more authentic, not less valuable. Learn how silk in sapphires, three-phase inclusions in emeralds, and horsetail inclusions in garnets prove natural origin and add character to fine gems. Is every inclusion a flaw?Not always. In gemology, some inclusions confirm that a gemstone is natural. Instead of lowering value, they often […]

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