Discover the most common mistakes diamond buyers make and learn how to avoid them with expert tips for a smart purchase. From overlooking certification and cut quality to falling for marketing gimmicks, we break down the pitfalls that can cost you money and clarity. Gain insights into the 4Cs, pricing transparency, and how to identify reputable jewelers. Whether you\'re buying an engagement ring or an investment piece, make an informed, confident choice with our diamond buying guide.