White gold and diamond pendant

Rectangular pendant in 18k white gold (750/1000). Set with a brilliant-cut diamond of approximately 0.05 ct, an oval brilliant-cut diamond of approximately 0.135 ct, and a pavé setting of approximately one hundred small brilliant-cut diamonds totaling approximately 0.45 ct. Total diamond weight: approximately 0.635 ct. One side is smooth, the other features a domed column. It has an openwork border and a bail also pavé-set with diamonds. Dimensions: 4.57 cm x 0.72 cm. Total weight: 4.84 g. Hallmarked. Excellent condition.