This distinguished selection features seven natural bi-color tourmalines, each masterfully cut into elegant oval cabochons measuring 9 x 7 mm. Harvested from Africa's celebrated gemstone territories, these stones present captivating dual-tone compositions that reveal nature's artistry. Weighing a combined 16.00 carats, this curated lot consists entirely of pristine, unaltered material—completely natural, unheated, and untreated. The generous cabochon cut maximizes the visual impact of each stone's unique color interplay and inherent luminosity. Ideal for the refined collector or jewelry artisan seeking premium-quality tourmalines with exceptional size and authentic provenance.