Red Citadel Natural Ruby and diamonds NecklaceGeometry meets grace in this ruby and diamond necklace. At its heart is a square cut ruby, its deep red hue an embodiment of its natural beauty. This center stone weighing 0. 60 carats is surrounded by a halo of dazzling diamonds, creating a color and light play. Lets get into the design of the pendant. The ruby sits in a secure square bezel setting, encircled by a cushion shaped frame lined with pave set diamonds. This design with double layers add