Amethyst . A member of the quartz family, amethysts with intense, rich purple shades have long been considered the most ...

Gems such as aquamarine, amethyst, moonstone, garnet and turquoise are increasingly finding their way into fine and semi-fine jewelry. The fact is that almost all precious and semi-precious gems ...

Jewelry with semi-precious stones can still be luxury, “I love the transparent gemstones because they’re rare,” she says. “I collected a type of stone called Paraiba tourmaline years ago ...