Gladstone Vintage RingSapphire Cabochon & Diamond Halo Ring The Gladstone Ring: showcasing a unique 1. 81ct sapphire cabochon. The sapphire is held in place by ten claw prongs, and framed by an impressive halo of round, old European cut natural diamonds. The band features engraved details, cathedral shoulders, and a split shank. The appraisal of the vintage ring is attached as one of the images; there you will find detailed information about the ring, as well as the