Radiantly regal, this cornflower blue sapphire estate ring, circa 1970's, dazzles with its eye catching design. Like a star shining in the night sky, the beautiful 0.87 carat oval blue sapphire ( September birthstone ) is surrounded by beams of shimmering light from 20 round diamonds totaling 0.10 carat and ripples of polished 14K yellow gold. Size 7.