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2. Tanzanite - Wikipedia

   en.wikipedia.org/wiki/Tanzanite

   Tanzanite is only found in Simanjiro District of Manyara Region in Tanzania, in a very small mining area approximately 7 km (4.3 mi) long and 2 km (1.2 mi) wide [4] near the Mererani Hills. [5] Tanzanite is noted for its remarkably strong trichroism, appearing alternately blue, violet and burgundy depending on crystal orientation. [6]

3. Golconda diamonds - Wikipedia

   en.wikipedia.org/wiki/Golconda_diamonds

   In 2013, the Princie Diamond from the Jewels of the Nizams was auctioned for US$ 39.3 million—the highest-recorded auction price for Golconda Diamonds and the world record for US$ 1.1 million per carat. In a heist in 2019, the Dresden White Diamond was stolen along with jewels worth US$ 1.2 billion.

4. Jewellery - Wikipedia

   en.wikipedia.org/wiki/Jewellery

   A gold, diamonds and sapphires red guilloché enamel "Boule de Genève", a type of pendant watch used as an accessory for women. An example of an object which is functional, artistic/decorative, marker of social status or a symbol of personal meaning. Humans have used jewellery for a number of different reasons:

5. Tiara - Wikipedia

   en.wikipedia.org/wiki/Tiara

   Its origins date back to ancient Greco-Roman world. In the late 18th century, the tiara came into fashion in Europe as a prestigious piece of jewelry to be worn by women at formal occasions. The basic shape of the modern tiara is a semi-circle, usually made of silver, gold or platinum and richly decorated with precious stones, pearls or cameos.

6. Amber - Wikipedia

   en.wikipedia.org/wiki/Amber

   Amber necklaces are a traditional European remedy for colic or teething pain with purported analgesic properties of succinic acid, although there is no evidence that this is an effective remedy or delivery method.

7. Diamond (gemstone) - Wikipedia

   en.wikipedia.org/wiki/Diamond_(gemstone)

   The value of a diamond gemstone depends upon colour and quality, as well as weight. As of April 2024 the average price per carat of diamonds of between 1.00 and 1.49 carats was US$4,448. [49] The price of diamonds dropped significantly from a peak in 2022; prices of natural gems in shops dropped by 26% by the beginning of 2025.