It is most common that both engagement rings and diamond engagement rings are worn on the left arms.
Be heedful to do what is correct in your eye area of everybody (Romans 12:17; Matthews 5:39-42, 44-45; 1 Thessalonians 5:15 and 1 Peter 3:9). http://www.Awincingglare.com/2016/05/20/04/34/03/1001/pandamonium-making-sense-of-the-2016-trump-presidential-campaign/food-for-thought/markdphillipscharter-net/