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 ...

Once gifted by Napoleon, the heirloom is now bejeweled in December’s birthstone Abigail Eisenstadt Turquoise makes a striking contrast against diamonds in this diadem from the 1800s. But the gems were ...

Monica Rich Kosann’s necklace reimagines one of her first high jewelry pieces.

HOW DID Tiffany & Co. arrive at its signature shade of blue, a robin’s-egg hue the jewelry brand uses for everything from its stores to its packaging? The company’s chief gemologist, Victoria Wirth ...

Turquoise is such a widely recognizable gemstone, even those who would say they don’t know anything about jewelry likely know it when they see it. Birthstone of December, turquoise is beloved and ...

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 ...

Turquoise is a December birthstone. These examples are from Nishapur in northeastern Iran. Image via Sonia Sevilla/ Wikimedia Commons (CC0 1.0). If you were born in December, you have a choice of ...

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 ...