Cartier, Van Cleef & Arpels, Tiffany & Co. — and how to buy them with confidence. Buying pre-owned designer jewelry online has become one of the smartest ways to own a Cartier Love bracelet, a Van Cleef & Arpels Alhambra necklace — pieces that hold their value, tell a story, and often carry a waiting...

Every year, it’s the same story. Early February, the question on everyone’s lips comes back: What are you getting for Valentine’s Day? What do you think he’s going to get you… and more importantly this year, the first one as a married couple? In full transparency, I don’t believe he’s even thought about it—and if...