sapphire

Late Victorian Aesthetic Period jewelry marked a turn from weighty opulence to more delicate designs. Learn more about this popular antique style.…

The Mid-Victorian Period saw many changes in society and fashion. Learn what distinguishes Grand Period jewelry, particularly its opulent style…

Master tanzanite buying with our expert guide covering the 4 Cs, treatments, simulants, and investment tips. Learn to identify quality tanzanite…

Explore our comprehensive standard gem sizes chart to determine if your gemstone will fit standard settings and learn how to estimate gem weight…

Authentic Georgian jewelry is rare. Before you buy, learn about the notable pieces and qualities of this antique style, including its intricate…

Diamonds have a rich history. The earliest diamond deposits date back 900 million years. To put that into perspective, the Earth is approximately…

We tend to take light for granted. It’s such a common thing we experience every day. Rarely do we think of the scientific definition of light…

Step 4: Gem Grading Lesson 10 Back to syllabus Distinguishing diamonds from their lookalikes is a prerequisite to diamond grading. Assigning…

Although diamond is our most popular gemstone, this hasn’t always been the case. Only in the last century did diamonds become readily available.…