Tanzanite Buying Guide
Master tanzanite buying with our expert guide covering the 4 Cs, treatments, simulants, and investment tips. Learn to identify quality tanzanite…
Standard Gem Sizes Chart: Guide to Gemstone Dimensions
Explore our comprehensive standard gem sizes chart to determine if your gemstone will fit standard settings and learn how to estimate gem weight…
A Guide to Antique Georgian Jewelry
Authentic Georgian jewelry is rare. Before you buy, learn about the notable pieces and qualities of this antique style, including its intricate…
A Brief History of Diamonds
Diamonds have a rich history. The earliest diamond deposits date back 900 million years. To put that into perspective, the Earth is approximately…
Optical Properties of Gemstones
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…
Introduction to Diamond Simulants
Step 4: Gem Grading Lesson 10 Back to syllabus Distinguishing diamonds from their lookalikes is a prerequisite to diamond grading. Assigning…
Are Diamonds Really Rare? Diamond Myths and Misconceptions
Although diamond is our most popular gemstone, this hasn’t always been the case. Only in the last century did diamonds become readily available.…
Antique Engagement Rings
You can find many amazing antique engagement rings from a variety of time periods. Before you shop, learn more about these styles and how to identify…
A Guide to Belle Époque Jewelry
Belle Époque jewelry combined opulent but graceful metalwork with a variety of gems. Learn more about this style and how it inspires modern jewelry…
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