A late Victorian diamond riviere necklace

A late Victorian diamond riviere necklace, the circular old cut diamonds graduate to approximately 1.05cts and are alternately set with smaller circular cut diamonds. The remaining twelve principle diamonds weigh approximately 0.70, 0.69, 0.51, 0.46, 0.39, 0.28, 0.27, 0.26, 0.24, 0.17, 0.16, and 0.14cts. Silver and gold cut down colets with folding pendant loop to the principle diamond. The clasp set with two circular cut diamonds (one missing). 40cm long. Fitted case by The Goldsmiths and Silversmiths Company.