You can see by the computer graphic here that the screw in ball sits in really flush. The pin has been angled and the side slope adjusted to make this possible. A normal screw in ball will protrude from the ring by up to 2/3rds of the ball.
Made from solid 18ct gold this PA ring was then set with a 4mm high quality sapphire and 2 blue diamonds either side of the ball.
Screw in ball ring
Material: 18ct yellow gold
Ball size 10mm
Gauge 8mm or 0 gauge
Internal diameter 12mm
Stone set: sapphire and blue diamonds.