When it comes to choosing the perfect gemstone, the journey involves more than just picking a sparkling stone. A genuine, ...

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. After investing tens of thousands of ...

Their high value ... As the stone moves, the colors appear to sparkle and shift, called a "play of color." The fire opal is rarer than other types of opal, especially in gem-quality stones.

When it comes to October birthstones, there's one primary stone and one alternative ... from rare sources that make some opals extremely expensive. “High-quality opals that display a vibrant ...

Coloured stones and high-end jewelry are both doing well ... A ring with an 8.80ct black Australian opal, courtesy of Kreis jewellery. GemGenève exhibitions are a must-see each edition ...

Founded and run by women in New York City, the company prides themselves on offering high quality, handmade ... precious and semi-precious gemstones, lab-grown diamonds, watches—you’ll ...

The limited-edition silhouette, which is slated to launch at a random time on October 31, features holographic jelly overlays ...

Below you'll find the top scoring high quality stocks using a quality composite score. A quality composite looks for solid businesses that produce consistent results, are very profitable ...

The National Academies of Sciences, Engineering, and Medicine are the nation's pre-eminent source of high-quality, objective advice on science, engineering, and health matters. Top experts participate ...

often all within the same stone. According to Harris, there are rare colors from rare sources that make some opals extremely expensive. “High-quality opals that display a vibrant play of color ...