Historically, gems have been divided into precious and semiprecious classes. There are a number of semiprecious gems, many quite beautiful, but diamonds, rubies, sapphires, and emeralds continue ...

Semi-precious gems are also having a moment, driven by concerns about ethical mining and lab-grown doppelgangers. It’s time to take a look. Insofar as we’ve covered diamonds before in this ...

However, how many of us really know what factors affect the value and price of a gemstone like a diamond? Here, we explore the difference between precious and semi-precious gems and understand ...

According to the museum, the stolen items included gold, jewelry and semi-precious gems dating from the 15th century B.C. to the 19th century A.D. It previously said that the items were mostly ...

The 1930s Sibyl Dunlop bracelet sold to an unnamed collector (Woolley & Wallace/PA) A piece of semi-precious gemstone ...