Loose Natural Peridot Gemstones

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Understanding Carat Weight

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Approximate gemstone size on a U.S. size 6 finger

0.07 ct 33.10 ct

Carat (ct.) is the standard unit used to weigh natural gemstones, including the certified sapphires, rubies, emeralds, and other loose gemstones in our collection, and one gram equals 5 carats. Every gemstone listed on Jamsora shows its exact carat weight alongside its independent lab certificate, so you always know precisely what you're buying.

Matched pairs: when a listing is sold as two stones together, the carat weight shown is their combined total, not the weight of each individual stone.

Carat weight alone doesn't fully describe how large a gemstone will look once set, since two stones of equal weight can appear different sizes depending on their cut and proportions. For a more reliable sense of a stone's visual size, check its millimeter dimensions (length × width × depth), listed on every product page alongside its carat weight and certificate details.

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Gemstone Guide

About Peridot Gemstone

Peridot is one of the few gemstones whose color comes from its basic chemistry rather than a trace impurity — the vivid lime-to-olive green of this olivine variety is intrinsic to the mineral itself, giving it a distinctively consistent hue from stone to stone. It has been mined for thousands of years, including from Egypt's St. John's Island, historically called the "Evening Emerald," with modern fine material also coming from Pakistan, Myanmar and Arizona's San Carlos deposits. As the birthstone for August, peridot remains a popular, affordable gemstone for both jewelry and collectors. Rated 6.5 to 7 on the Mohs scale, it should be worn and stored with a little extra care compared to harder stones like sapphire or ruby. Peridot is almost always natural and untreated, and every stone in Jamsora's collection is independently certified to confirm its authenticity before it ships.

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