The tourmaline group includes a very broad colour spectrum caused by different types of minerals and mineralisation processes. Tourmaline is particularly popular as a very versatile design gemstone. The many different colour ranges are particularly prized by jewelers as allowing a life of creative freedom for fabulous designs. The technical side of tourmaline Tourmaline is technically a "crystalline boron silicate". The colours come from combinations of other metals, like potassium,...

Morganite is an unusual gemstone. It fits into a unique part of the color spectrum, somewhere between pink and a lustrous brown. It's an excellent refractive stone, multifaceted, and quite literally goes with everything, from diamonds to gold.

Aquamarine is a true designer gemstone. The mild blue green stone is famous as a high-end gem, worn by royalty like Queen Elizabeth and Princess Diana in fabulous combinations with other gems and standalone jewelry.Aquamarine is Latin for "seawater". This gem has been used in jewelry since ancient times. It comes in a very broad range of colors, from pale Pacific blue to deeper and greener shades. Whether polished or rough,...

Paraiba Tourmaline is famous for its broad blue-green spectrum and surprisingly, it's more expensive than many gems on the market. It can fetch up to $100,000 per carat. The equally famous "neon blue" and other colors are apparent even in the raw stones.This color range is one of the reasons for Paraiba Tourmaline's popularity. In jewelry design, color is a critical major asset. The unique spectrum of Paraiba Tourmaline makes it...