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How do white sapphires differ from white topazes?

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This is a bit like asking what makes a white lily different than a white daisy. They might both be white (or colorless), and they’re both gemstones, but their natural chemical makeup is completely different, as is their hardness and where they’re most commonly found. read more

White topaz ranges from about $50 to $100 per carat, whereas white sapphire is closer to $200 to $300 per carat. This is because the rarity of white sapphire is much higher than that of white topaz. White topaz is also slightly more susceptible to scratching or breaking than white sapphire. read more

Even though I call them white sapphires here, in jewelry lingo they are really colorless, not white. The colorless versions are also called corundum. Most of the world’s sapphires come from countries like Thailand, India, Myanmar and Africa. Because they are on the rare side, there is a bigger market for the lab-created varieties. read more

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