The art- and design-world powerhouses assembled an exceptional collection of works by George Condo, Sol LeWitt, and others that are coming to market at Sotheby’s
From monumental abstract sculptures by Frank Stella at Jeffrey Deitch in New York to a survey of significant paintings by Jean-Michel Basquiat at Gagosian in Los Angeles
From Vacheron Constantin to Van Cleef & Arpels, these are the timepieces that caused the biggest stir at the annual show