Guides

Custom jewelry is jewelry created or substantially modified for a specific customer rather than selected exactly as an existing...

CAD approval is the stage in a custom jewelry project when the client reviews and approves a computer-aided design...

Treatment disclosure is the communication of relevant information about treatments applied to a diamond, gemstone, pearl, or other jewelry...

A diamond grading report is an independent laboratory document that records the identification and quality characteristics of a diamond...

Vintage jewelry generally refers to jewelry from an earlier period that is old enough to reflect the design, materials,...

Fluorescence in gemology is the visible light a gemstone emits when exposed to ultraviolet (UV) radiation. This optical effect...

Dispersion in gemology is the separation of white light into its component colors as it passes through a gemstone....

Double refraction, also called birefringence, is an optical phenomenon in which light entering certain gemstones splits into two rays...

Electroforming is a jewelry-manufacturing process in which metal is deposited onto a prepared form or model through an electrochemical...

Investment casting is a jewelry-manufacturing method used to reproduce detailed metal designs from a wax or similar expendable pattern....