In recent years, Leland Blue has become the subject of much coveting and curiosity, a darling among Michigan rock collectors, and even a focal stone in Michigan-made jewelry. But what exactly is ...

“Whole economies were built around it,” said Aja Raden, author of “Stoned: Jewelry, Obsession and How Desire Shapes the World.” Also called lapis lazuli, or “blue stone,” this hot ...

For Gerry Sullivan, co-owner of Blue Stone in west Loveland ... The shop consists of wall-to-wall crystals, minerals, jewelry, fossils and even art created by store employees.

The latest blue diamond to hit the auction block certainly lives up to its namesake. The 10.03-carat Mediterranean Blue gem will be the crown jewel at Sotheby’s High Jewelry Auction this May ...

Take, for instance, a dazzling blue diamond ... for the stone. Although the blue diamond, which ended up selling for $1.31 million per carat, was easily the top lot of the jewelry auction, it ...