A Belle Epoque platinum diamond necklace; centrepiece features a drop shape cluster with an articulating old European cut diamond estimated as 5.00ct. M - P1 to surround of 21 old European cut diamonds bellow a line of three old European cut diamonds totalling an estimated 2ct, to a bow surmount set with old European cut diamonds on a fine cable chain. Estimated diamond weight 10.55ct. Length 65 mm, total length 54 cm. Wt. 20.4g.