£300
An early 20th-century aquamarine and diamond bar brooch, featuring a step-cut aquamarine with canted corners of deep blue colour, approximately measuring 8.0 x 6.3 x 4.7 mm, in a foliate mount with millgrained edge, encrusted with rose-cut diamonds, gallery with pierced with foliate design, brooch fittings to the reverse, unmarked white metal testing as platinum, 6.4 cm, 5.3 grams.
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