Explores the geology, production, and yield of the world’s most commercially important ruby deposit.

Examination of the largest HPHT synthetic diamonds GIA has examined so far demonstrated significant progress in this growth technology.

The New York lab investigates the use of the shells of Tridacna species as imitation pearls.

A uniquely carved tourmaline suite on display in Tucson.

Rare material seen at the GJX show in February 2015.

Exceptional innovations using gem and mineral rough at Tucson’s GJX show.

The New York lab discovers a synthetic melee diamond in a pendant, underscoring the importance of testing for undisclosed synthetics.

Exceptional stones are recirculated and new production is showcased at the AGTA show in Tucson.

Prismatic blue and colorless dumortierite inclusions in rock crystal quartz are examined for the first time in the Carlsbad lab.

Unique carvings in gems are displayed at GJX in Tucson.

Color and size make a statement at this booth in Tucson.

At AGTA, exquisite jewelry pieces inspired by natural scenes were on view.

A purple non-nacreous specimen is revealed to be a natural northern quahog pearl.

A Fancy black round brilliant diamond has an inclusion that is revealed to be a natural diamond crystal.