Following is a transcript of the video. Narrator: High-quality black opal can cost over $10,000 per carat, making it one of the world's most expensive gemstones. But mining black opal isn't easy.
In 2000, jewelry company Le Vian capitalized ... making it one of the world's most expensive gemstones. Over 90% of black opals come from Australia, but they aren't easy to find.
Priyanka Chopra dazzles at her brother Siddharth's wedding with exquisite fashion choices, particularly her stunning Bulgari ...
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