An early 19th century enamel and diamond skull stick pin. Photo courtesy Philips. The grinning white enamel skull with rose-cut diamond eyes, on a square-section pin, length 7 cm. Estimate £1,500 - 1,800. Unsold A pair of diamond and ruby cufflinks. Photo...

Natural pearl and diamond ring and natural pearl stick pin, early 20th century - Sothebys The ring of crossover design set with two natural pearls of cream and grey tint respectively, and carré-cut diamonds, size 56, French import marks, and a stick pin...

An amethyst and diamond blackamoor stick pin, Nardi. Photo Bonhams designed with an amethyst headdress and bodice each detailed with round brilliant-cut diamonds, and accentuated with diamond earrings;signed S. Nardi; mounted in eighteen karat gold; length:...

An early 19th century enamel and diamond skull stick pin. Photo Philips de Pury & Co The grinning white enamel skull with rose-cut diamond eyes, on a square-section pin, length 7 cm. ESTIMATE £1,500-1,800 - Unsold. Philips de Pury & Co. Jewels. 1 june...