Opals may have been around for thousands of years, but they’re having a major resurgence in the jewelry world right now. Chairish included opals as one of its top trend predictions for 2025, and ...

But when such items that people inherit from loved ones get massive appraisals in terms of monetary value from experts as well, such moments are special and are often featured on "Antiques Roadshow." ...

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.