A sapphire and diamond cluster necklace

A sapphire and diamond cluster necklace, formed with seven graduated oval shaped sapphire clusters. Each within a surround of round brilliant cut diamonds and alternately set with larger round brilliant cut diamonds in yellow and white gold. On an articulated matched round brilliant cut diamond necklace. The sapphires weigh approximately 19.25cts in total and the diamonds approximately 18.35cts in total. Cased. 39cm.