JAR - A.lain R. T.ruong
JAR -The famously reclusive Paris-based jewelry designer JAR—the New York–born Joel Arthur Rosenthal—has been called “the single greatest jeweler of our time.” He currently has an exhibit at the Metropolitan Museum in NYC.
Source : http://www.alaintruong.com/archives/2013/11/16/284
Does this belong to you Or do you know who sells it ?