René Kern Invisible-Set Ruby Diamond Gold Platinum Brooch

A Sculptural René Kern Ruby and Diamond Brooch with Invisible-Set Brilliance A bold and luxurious jewel, this René Kern ruby and diamond brooch showcases the refined glamour of circa 1970 signed jewelry. The brooch is set with approximately 16.75 carats of rubies in an elegant invisible setting, allowing the rubies to form a seamless field of color across the surface of the design. This invisible-set technique gives the René Kern ruby brooch a smooth, modern appearance and highlights the precision required to create such a sophisticated jewel. The brooch is further enhanced by approximately 5.25 carats of diamonds, set in platinum and sweeping through the ruby design with brilliance and movement. Crafted in 18K yellow gold and platinum, this René Kern diamond brooch combines warmth, contrast, and exceptional gemstone presence. René Kern was a celebrated German jewelry house founded in Düsseldorf in 1950. Known for high-end jewelry and refined objets d’art, René Kern created jewels that combined classical craftsmanship with modern design. This René Kern invisible-set ruby and diamond pin beautifully reflects that balance: dramatic, elegant, and unmistakably collectible. Key Features • Designer: René Kern • Jewelry House: Düsseldorf-based German house of René Kern • Period: Circa 1970 • Style: Signed European designer brooch / pin • Metal: 18K yellow gold and platinum • Rubies: Approximately 16.75 carats, invisibly set • Diamonds: Approximately 5.25 carats • Length: 3 1/4 inches • Condition: Excellent estate condition • Category: Vintage ruby diamond brooch, signed René Kern jewelry This rare René Kern brooch is a statement piece for collectors seeking a signed ruby and diamond jewel with European provenance, strong visual presence, and exceptional craftsmanship.