The lack of a grading system for the popular stone has prompted a father-son team to spend the last five years working on one. Turquoise stones from the blue and green master sets at the Turquoise ...

It’s that age-old question: why choose a turquoise bib when you could a diamond necklace? Eva Mendes, Rachel Zoe, and the Van Cleef archive hold the answers. In the annals of red-carpet jewelry ...

Forbes contributors publish independent expert analyses and insights. I am the founder of La Patiala, the luxury encyclopedia. Turquoise is one of December’s birthstones — the other December ...

An isotopes analysis was used to determine that many pieces of turquoise found in New Mexico's Chaco Canyon came from as far away as Nevada About a millennium ago, the ancestral Pueblo Indians in the ...