Material & ProvenanceGemstone: The center stone consists of genuine green Baltic amber. Natural green amber gets its unique color and multi-faceted internal sparkle through specialized heat treatments, which enhance clarity and create organic internal stress fractures often called "sun spangles".Origin: As verified by the attached product tag, this item is made in Poland. The Baltic coast of Northern Poland is internationally recognized as the premier historical hub for foraging, mining, and crafting high-quality authentic amber jewelry.