One lady's custom made polished 14K yellow gold, diamond halo, engagement, semi-mount ring with a half round shank. The ring is a size 8. The ring weighs a total of 2.90 grams. Engraved with "14K". In excellent condition.?The semi-mount will accommodate an oval-shaped stone with 7.9mm-8.1mm in length and 5.9mm-6.1mm in width.