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This is an unusual heart-shaped inclusion in a diamond. It reminds us that, for many people, diamonds are a symbol for love. - Photo by Clayton Welch/GIA
A fracture or crack in a diamond is called a feather. Does this feather look like a ballerina, a stick-man, or something else?
This colorful inclusion is a crystal with a rainbow-like reflection. It is contained in a round, brilliant-cut diamond. - Photo by Vincent Cracco/GIA