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GIA 4Cs Diamond Blog

GIA 4Cs Diamond Blog

November Birthstone: Where Do Topaz and Citrine Come From?

Born in November? Lucky you! Your November birthstone is not one, but two beautiful gems: One offers a rainbow of colors; the other is famed for its rich yellows. Make choosing easier by learning more about them, including where they come from.
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September Birthstone: Where Do Sapphires Come From?

Sapphire is a popular gemstone – and comes in a rainbow of colors. It’s also been long prized, from Ancient Greek rulers to the clergy of the Middle Ages. But where does the September birthstone come from? (more…)