Eisenberg Jewelry, founded in the 1930s by Jonas Eisenberg, is a renowned American costume jewelry brand celebrated for its high-quality craftsmanship and distinctive designs. Initially part of a fashion company, Eisenberg focused on jewelry to complement its clothing line, which later became its primary business. Known for using Austrian crystals, rhinestones, and intricate metalwork, Eisenberg pieces are often bold, elegant, and timeless. Popular during Hollywood's golden era, the brand's creations remain highly collectible. Marked with signatures like "Eisenberg Original," "Eisenberg Ice," or "Eisenberg Sterling," its vintage designs exemplify the artistry and glamour of mid-20th-century costume jewelry. Eisenberg Jewelry is considered among the finest costume jewelry ever made.