What is the finest trade grade of lapis lazuli?

The finest trade grade of lapis lazuli is recognized as Persian. This designation refers to the historically significant source of lapis lazuli found in Afghanistan, which has been valued for its rich, deep blue color, fine texture, and the presence of golden pyrite inclusions that enhance its aesthetic appeal. Persian lapis lazuli is known for its uniformity in color and quality, making it the most sought after in jewelry and artistic applications.

While other geographical sources like Chilean, French, and Indian lapis lazuli can also produce beautiful stones, they typically do not match the high standards of color and consistency that are associated with Persian lapis lazuli. This distinction has been maintained through trade practices and historical preference within the gemstone market, solidifying Persian lapis as the premium choice among lapis lazuli varieties.