inclusions

Gem lovers have long valued amethyst, the purple variety of quartz, for its deep color and clear crystal. Through the ages, amethysts have inspired…

Purple gemstones are among nature’s rarest treasures, making them perfect for distinctive jewelry and impressive collections. Though…

Gemstone heat treatments can turn mediocre pieces into items of great beauty. Heating a gem to a specific temperature and then cooling it is a common…

Distinguishing natural from synthetic gems is a critical skill for gemologists. It could mean the difference between valuing a gemstone at thousands…

The deep purple hue of amethyst has captivated humanity for centuries. Whether adorning royal crowns or modern jewelry, this gemstone has maintained…

Many factors can contribute to a gemstone’s color. However, some gemstones can have many different colored varieties, while others only occur…

Discover how synthetic amethyst is created, its key differences from natural specimens, and expert methods of identification in this comprehensive…

GCAL by Sarine is a US-based company that offers a diverse range of services, from diamond grading to precious metal testing, to damage and restoration…

With practice and some basic tools, anyone can separate natural rubies from ruby simulants. Learn all about the most common lookalikes here.