In Los Angeles, it was polished to reveal a six-pronged, mesmerizingly beautiful star -- or so goes the story that is passed down about the largest-known star sapphire in the world. The Black Star ...

Hollywood jeweler Jack Armstrong is putting a 733-carat jewel, the Black Star of Queensland sapphire, on the market -- but he's not willing to let go of it if he doesn't get his price.

It is the featured pendant on a necklace comprised of 70 black star sapphires, totaling an additional 104.42 carats. The entire piece is set in 18k rose gold and has a retail price of $5 million.

The Black Star Sapphire of Queensland, valued at $100 million, will be on display at the Royal Ontario Museum starting June 2.

A privately owned jewel threatens to outshine the Michael Lee Chin Crystal next month when the Royal Ontario Museum opens its new galleries. A symbol of faith, hope and destiny in many cultures, this ...

Queensland has produced some of the world’s most famous sapphires: the Black Star of Queensland at 1,156 carats (uncut), is the largest black sapphire ever found.

Star sapphires are named after their star-like reflection. ( Supplied: Flickr, greyloch ) She said the Black Star of Queensland was found by then 12-year-old Roy Spencer, who kicked a large rock ...