- Training with jeweler’s tools includes the basic techniques needed to beautify gems. It also gives you expertise in identifying precious stones. - **Components.** Jeweler’s tools consist of a small saw and hammer, files, pliers, and tweezers. - **[Arcana](https://www.dndbeyond.com/compendium/rules/basic-rules/using-ability-scores#Arcana).** Proficiency with jeweler’s tools grants you knowledge about the reputed mystical uses of gems. This insight proves handy when you make [Arcana](https://www.dndbeyond.com/compendium/rules/basic-rules/using-ability-scores#Arcana) checks related to gems or gem-encrusted items. - **[Investigation](https://www.dndbeyond.com/compendium/rules/basic-rules/using-ability-scores#Investigation).** When you inspect jeweled objects, your proficiency with jeweler’s tools aids you in picking out clues they might hold. - **Identify Gems.** You can identify gems and determine their value at a glance. - {{[[table]]}} - **Activity** - **DC** - Modify a gem’s appearance - 15 - Determine a gem’s history - 20