14K Yellow Gold Diamond Ring, 17D =~1.00ctw. Vintage Starburst cluster signet ring. There is a prominent center round brilliant-cut diamond surrounded by accent diamonds set into radiating textured gold channels to create a sunburst pattern.
Take a piece of non-stretchable string, ribbon, thread, or a thin strip of paper. Wrap it comfortably around your ring finger, close to the knuckle.