The men's 14k white gold 1/2 carat diamond solitaire ring from Apples of Gold Jewelry is set with a 0.50 carat diamond center solitaire in H Color, SI clarity.
The band measures approx. 8.2mm wide at the shoulder of the men's ring and graduates to 2.32mm at the bottom shank of the ring. The top/face dimenion is approx. 9.7mm.
The ring is also available in yellow gold or platinum, shown below (and also available in 18k white gold by request).