Vintage diamond and pearl pendant, tested platinum, weight 5.0 pennyweight.  The pendant consists of an 11.0mm articulating filigree bail in a stylized diamond shape that contains a bezel set diamond.  Where the bail connects to the drop is a 2.0mm wide oval collar that contains 10 bead set diamonds.  The drop measures 38.0 x 19.5mm as a stylized navette shape which contains 21 old European cut diamonds from 0.015 to 0.22 carat, all are bead set in the geometric filigree design except for the two largest diamonds which are bezel set, estimated total weight 2.55 carat, clarity SI1, color J, all with traditional proportions and very good match.  In the center is a half-drilled, 5.0mm cultured pearl, which is described as follows: 
Shape: round
Size: 5.0mm
Color: white
Overtone: none
Blemish: light
Orient: none
The above piece is in excellent condition.