Reuters/Denis Balibouse The blue diamond, set in a ring, was said to be among the largest known fancy vivid blue diamonds and was the showpiece gem at the Sotheby's jewelry auction.

The Blue Moon — so-called in reference to its rarity, playing off the expression "once in a blue moon" — topped the previous record of $46.2 million.

The blue gem in Silent Hill 2 offers players a way to unlock a different ending in the game. It is a rare item that you can get after completing the initial playthrough.

The Blue Supermoon: A Gem in the Night Sky Wednesday’s full moon, the second in August, was a celestial rarity. It was also bigger and brighter than usual.

Previously the owner of a Blue Gem knife turned down an offer of roughly $1.5 million, making it the most expensive Counter-Strike skin in existence (at least in its estimated value).

How a Smithsonian Curator Discovered the Hope Diamond’s Many Secrets The storied past of the 45.52-carat sapphire-blue gemstone hails back to the days before the French Revolution ...

The 17.6 carat stone is described as the "largest internally flawless fancy vivid blue gem" to go up for auction. And a Rolex worn by Marlon Brando in Apocalypse Now sold for close to $5 million.

An unidentified buyer paid CHF 39,505 million (US$43.8 million) for the pear-shaped Bleu Royal, as the gem is known, placing it among five most expensive fancy blue diamonds sold at auction.

Blue sapphire is thought to mitigate these challenges, providing the wearer with resilience, patience, and the ability to overcome difficulties with a steady and composed mindset.

Blue Sapphire is a highly valued gemstone in astrology and gemology due to its deep blue hue. It is believed to offer numerous benefits including enhanced mental clarity, communication skills ...

Each month has at least one representative gemstone. Here's what you need to know about September's birthstone.