This exquisite collection features nine natural bi-color tourmalines, each meticulously cut into elegant oval cabochons measuring 7 x 5 mm. Sourced from Africa, these gemstones showcase the captivating interplay of contrasting hues characteristic of bi-color varieties. With a combined weight of 11.85 carats, this lot represents completely natural stones—entirely unheated and untreated, preserving their authentic beauty. The cabochon cutting style enhances the stones' luminosity and color saturation, making them ideal for fine jewelry design, collectors, or those seeking genuine gemstone investments. Each piece is a testament to nature's artistry and geological wonder.