Antique Rene Boivin Platinum Diamond Brooch Circa 1880sThis antique Rene Boivin platinum and diamond lily of the valley brooch, dating to the 1880s, captures the natural inspiration that defined early French jewelry design. Shaped as a stylized flowering branch, its set with a mix of old mine, rose, and cushion cut diamonds. Each stone is carefully positioned to form a cascading floral silhouette. Two pav set leaves complete the design, adding delicate curves, that enhances the organic flow of the brooch.