It’s that age-old question: why choose a turquoise bib when you could a diamond necklace? Eva Mendes, Rachel Zoe, and the Van Cleef archive hold the answers. In the annals of red-carpet jewelry ...

Choose from three sets, each with a distinct vibe.

HOW DID Tiffany & Co. arrive at its signature shade of blue, a robin’s-egg hue the jewelry brand uses for everything from its stores to its packaging? The company’s chief gemologist, Victoria Wirth ...

Belt, $472, envelope opener, $212, by Melet Mercantile / Cuff links, $840, by Konstantino / Long bracelet, $395, by Isaia / Short bracelet, $495, by David Yurman / Watch, $2,500, by Gucci Turquoise is ...