Weighing 8.3 grams and measuring 21.82 x 17.6  x 16.4 mm, the Cartier pearl, which was once owned by Queen Mary of England, is said to be one of the most beautiful in existence thanks to its perfectly symmetrical shape and silvery lustre.

Weighing 8.3 grams and measuring 21.82 x 17.6 x 16.4 mm, the royal Cartier pearl, which was once owned by Queen Mary of England, is said to be one of the most beautiful in existence thanks to its perfectly symmetrical shape and silvery lustre.

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