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.
The shinier the pearl, the better. Black opal is one of the rarest gemstones in the world, sought after for its seemingly infinite display of colors, compared to common opal, which is usually one ...
A pair of well-credentialled former Australian gallopers will get their careers underway in Hong Kong on Sunday evening. 2024 Group 3 Black Opal Stakes winner Holmes A Court will kick-off his career ...