Vintage estate panther-motif convertible pendant/brooch in platinum, designed to make an immediate statement in the showcase with a dramatic oval cabochon rubellite centerpiece. The sculptural cat form is accented with round brilliant diamonds plus black diamond and ruby details, creating high-contrast texture and strong visual storytelling for clients who shop bold, collectible animal jewelry. A compelling hero piece for high-jewelry edits, new-acquisition features, and statement-pendant or brooch merchandising, with easy cross-selling opportunities for platinum chains and black-and-white diamond looks.