Centering an Old European cut diamond measuring 10.72 x 11.05 x 6.89mm, and weighing 5.41ct. (F color, SI2 clarity). Diamond is prong set in a filigree basket style mounting, flanked by ten, 1.0 -1.60mm Old European cut diamonds weighing approx. 0.10ct. Millegrain edging, fashioned in platinum. Circa 1910. GIA15024167. Size 6.