Cartier Tourbillon Mysterieux Azure Until recently, only emerald, ruby and sapphire were officially called precious gems. Everything else was called semi-precious. The precious categorization is a ...

In 1953, John F. Kennedy proposed to Jackie Bouvier with this two-stone ring from Van Cleef & Arpels, comprised of a 2.88-carat diamond alongside a 2.84-carat emerald accented with tapered baguettes.

The semi-precious gemstone emerald or panna is always associated with the royals and for its astrological and spiritual benefits. However, not everyone is advised to wear emerald gemstones. The ...