Diamond Valuation & Characteristics - An estimated valuation of Taylor Swift's diamond ring ranges between $500,000 and $600,000 [2] - The ring features what appears to be an elongated cushion cut diamond, possibly of old mine Golconda type, set in yellow gold [2] - The diamond is speculated to be a natural, mined diamond rather than a lab-grown diamond [1] Lab-Grown vs Mined Diamonds - Lab-grown diamonds trade at approximately 90% to 95% less than their natural equivalents [4] - A 50% tariff on natural diamonds helps lab-grown diamonds maintain a competitive price point [4] Market Trends & Consumer Behavior - Over half (more than 50%) of engagement rings sold in the U S during the last quarter featured lab-grown diamonds [5] - The market share of lab-grown diamonds in engagement rings has significantly increased from 2% in 2018 [5] - The trend towards lab-grown diamonds among Gen Z is not expected to reverse [5] - Taylor Swift choosing a mined diamond may not significantly impact the demand for lab-grown diamonds among younger generations [3]