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inclusions

An Introduction to Fancy Gem Cuts

…Any inclusions will be clearly visible through these large facets, which act as windows into the stone. White diamonds will also show any color.…

Ruby and Sapphire Origins

…fine tubes; small black crystals and short rods; healed fissures; color zoning. For information on inclusions typically found in corundum,…

Appraising Emeralds

inclusions. At lower clarity grades, inclusions are visible or even prominent to the unaided eye. Certainly not eye clean, this emerald has…

Lapis Lazuli Buying Guide

inclusions can look like stars strewn across the night sky. American consumers greatly covet this look. However, gem graders would classify…

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