The 158.20-carat rock is one of only five yellow diamonds weighing more than 100 carats ever found at Diavik in its 22-year ...

The Winston Red Diamond, one of the rarest gems in the world, is a stunning 2.33-carat red diamond displayed at the Smithsonian National Museum of Natural History.

Laid out like an orchestra in a quiet gallery room, 40 colorful gems have one of the planet’s most distinguished conductors: a red diamond, 2.33 of the rarest carats in the world, shining like a ...

Chris Thompson’s attic contained a treasure trove of rare gems and minerals, safely tucked away and incased in bubble wrap.

The extremely rare, 10-carat Mediterranean Blue diamond could fetch a whopping $20 million at Sotheby's High Jewelry auction ...

Ultrasonic devices and commercial jewelry cleaners will remove the oils that the emeralds have been treated with and will cause damage to the gemstones. Always put your jewelry on after you’ve ...