"Mandarin garnet" specimens are the most in demand and the most expensive. Spessartine gem quality stones are rarely larger than 5 to 7 carats in weight. The mineral is also found in Africa, India, ...

Bidding for the chunk of rhodochrosite — a rose-red gem discovered in Park County’s Sweet Home Mine in the 1990s — will start at $8,000, according to the auction website.

The Whitney Flame Topaz is one of the finest imperial, or “precious,” topaz gemstones in the world, notable for its large size and fiery red color. The gemstone was held privately for many decades ...

On November 15, a limited-edition collection of 300 red rubies, aka “Reality Stones,” will drop as part of Marvel's collab with East Continental Gems. Prices range from $1,500 to $20,000.

A boyfriend has been mass-criticized online after his partner expressed concern over sharing the code to her safe, filled with over $100,000 in expensive gems and jewelry. The anonymous 32-year ...