sapphire

Lab-grown diamonds are becoming popular choices for engagement rings and other jewelry purchases. However, you should always know what you’re…

Are you looking for something truly unique for your next jewelry purchase? Explore these ten gemstones that are actually rarer than diamond. How…

No single gemstone polishing method will work for all people or all stones. Our guide will help you choose laps and techniques that work for you.…

What are the best techniques and tools for polishing girdles? Learn how to complete your faceted gems quickly and easily and avoid common errors.…

Using the right gem cutting abrasives is critical for gem cutters. Our grit, mesh, and micron conversion chart will help you choose the correct…

If you’re in the gem and jewelry business, you’ll need to write effective advertising. These techniques will help you succeed.

The GIA grading system describes gem color in terms of hue, tone, and saturation. Learn what the abbreviations and numbers of this gem grading code…

Learn how to cut star and cat’s eye gems. Once you understand how asterism and chatoyancy work, you’ll find unexpected treasures in overlooked…

Explore 37 blue gemstones from rare collectors’ specimens to durable jewelry options. Learn how to assess quality, understand durability factors,…