GENEVA (AP) — A blue diamond weighing nearly 10 carats has sold at auction in Switzerland for 20.5 million Swiss francs ...

UC Santa Barbara physicists have engineered entangled spin systems in diamond that surpass classical sensing limits through ...

A vivid blue diamond weighing 9.51 carats and previously belonging to Rachel "Bunny" Mellon, the aristocratic philanthropist ...

A nearly 10-carat blue diamond was sold at an auction in Switzerland on Tuesday for 20.5 million Swiss francs ($26.6 million) ...

Kate has only worn the earrings twice before; she stepped out in them earlier this year to welcome U.S. President Donald ...

There hasn’t been a big Neil Diamond biopic yet, but there is something in a similar realm coming out soon: In Song Sung Blue ...

Ginza Diamond Shiraishi Hong Kong today presented an in-depth reflection on the evolving meanings, materials, and ...

Ginza Diamond Shiraishi Hong Kong has announced a renewed design direction that reflects current shifts in wedding ring ...

A legendary jewel of the Hapsburg dynasty — not seen since 1919 and thought lost, stolen or recut — has actually been safe in ...

Lab-grown diamonds have captured nearly 25% of the engagement ring market in the United States. It's a trend that Binder, ...

An Oklahoma family finds a 2.79-carat brown diamond at Crater of Diamonds, Arkansas, during a birthday celebration stop. Luck ...

Antenna Associates is a Massachusetts-based developer of Identification Friend or Foe (IFF) and secondary surveillance radar (SSR) antenna systems. Its products are deployed worldwide across a range ...