Centering an Old European cut diamond weighing app. 0.99ct. (K color, SI1 clarity), framed by eleven diamonds (9 Old Euro's, 2 RBC) and flanked by 20 Single cut diamonds, all weighing app. 0.90ctw., in a cluster design with split shoulder detail, fashioned in 18k. Antique top, ca. 1900 with contemporary band. GIA 2175306619. Size 6