A Blog about the Fascinating World of Jewelry » jewelry glossary

Cabochon is an unfceted form of gemstone cutting, used for opaque and translucent stones; the stone is given a rounded, convex shape.

Cat's Eye is the name given to a gem which, when cut cabochon, shows a single light streak across its face. It is caused by innumerable parallel inclusions, of minute needle-like crystals or tubular cavities, the sides of which reflect light.

The Gem of Royalty, and Romance. Sapphires, September's Birthstone September is a month of transition, a time when the vibrant hues of summer start to give way to the warm, earthy tones of fall. And just as the season blends vibrancy with serenity, so too does the birthstone of September, the sapphire, embody a captivating mix of grace and royalty.