An early 19th century diamond cross pendant, French

An early 19th century diamond cross pendant, French
Designed as a Latin cross set with cushion-shaped, old brilliant and rose-cut diamonds, to a cushion-shaped diamond surmount, mounted in silver and gold, suspended from an unassociated double belcher-link chain, diamonds approx. 2.60cts total, one diamond deficient, pendant with French assay mark, surmount with Portuguese assay mark, lengths: pendant 5.2cm, chain 43.3cm