14K GOLD ONYX BALL .25 CT. DIAMOND RING: 14K yellow gold 20.00 mm black onyx ball. Atop the ball is a round brilliant cut diamond. Weight: .25 Ct. Approx. Rated VS in clarity. Color is unknown due to glue. The diamond is set in a head that is glued to the top of the ball (the glue has yellowed). Twisted wire basket. The ball is glue set. High profile. Weight: 22.2 grams. Size: 7.5