Opals, associated with the zodiac sign Libra, are known for their emotional healing and creativity-boosting powers. Artists often use them to overcome creative blocks, while spiritual practitioners ...

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.

Do you often hesitate to buy gemstones online? We get you. Buying gemstones can be overwhelming. The questions around gem authenticity, certification and value can be bit too much for buyers, ...