“The Science Behind Gold Hardness: Alloys, Karats & Strength Testing Explained” By Vishal Choksi
Thursday, December 18, 2025

Gold is admired for its beauty, rarity, and lasting value—but behind its shine lies an important scientific reality: pure gold is soft. To transform gold into durable, wearable jewelry, manufacturers rely on alloys, karat control, and rigorous strength testing. Understanding these elements explains why some gold jewelry lasts generations while others deform easily.