Rare Vintage Gold Filled Filigree Left Facing Shell Carved Cameo Brooch Diamond

Gorgeous Rare Vintage Antique Gold Filled Filigree Left Facing Shell Carved Cameo Brooch Pin with Diamond. Marked 12K GF (the inside of the bezel is stamped). Diamond tested positive. 1 3/8” x 1 1/8”. The back has a hinged locking pin and a hinged bail, making the piece wearable as a pendant or brooch. Not signed but the distinctive mushroom filigree design is typical on Krementz marked pieces. The filigree is slightly pushed in on the lower left side (shown in photos). Otherwise in excellent vintage condition. Estate piece. Vintage VTG Coquette Balletcore Cottagecore Beaded Jewelry Hippy Retro Mod Modern Boho Bohemian 40s 50s 60s 70s Accessory 80s 90s Y2K Necklace Multistrand Gem Crystal Choker Bracelet Art Deco Avon Monet Victorian Revival Baroque Brooch Pin Damascene Greek Key Filigree Cameo Swarovski Enamel Lucite Kay Denning Mid Century Modernist MCM K.J.L. KJL Venetian Cloisonné Silver Metal Gold Plated AB Aurora Borealis Coastal Grandma Mermaidcore Scrimshaw Rhinestones Fairycore Atomic Age Renaissance Gothic Gemstone Mermaid Bakelite Glam Bejeweled Chunky Lolita Grunge Brutalist Modernism Estate Jewelry Millefiori Micromosaic Celluloid