A Buyer’s Guide to Ruby Rings: Heirloom vs Natural AAAA vs AAA vs AA

Mr Spinel on Instagram: "Ruby becomes purple due to several factors related to its chemical composition and crystal structure: Primary Causes: 1. Iron Content: • Natural rubies contain trace amounts of iron (Fe³⁺) along with chromium • Iron shifts the color from pure red toward purple/violet • Higher iron content = more purple hue 1. Chromium-Iron Interaction: • Chromium (Cr³⁺) creates the red color • Iron modifies this red, pulling it toward purple • The ratio between Cr and Fe determines the f