This brooch exhibits breakthrough goldsmithing techneques with style, elegance and movement with a trademark emphasis on colour.  the centre is a 3D graduating metal ribbon consiting of platinum with jagged iregular yellow gold motifs inside engraved blocks at geometric 90 degrees to show a matt hammered finish with a yellow gold twisted wire border and five twisted wire strands inside creating depth and movement. Trefoil of stones claw set to the outside, each consisting of the same stone. Diamonds, sapphire and turquoise. Diamonds 0.75cts, Sapphires en cabochon 0.30cts Turquoise en cabochon 0.20cts. Signed Gubelin and numbered 386476. hallmarked 750 on a double pin clip with an hour glass within  an Omega. 60mm x 35mm