The Kay diamond engagement ring is named after Jack Friedman’s wife Kay who encouraged and supported his dreams. Their grandson, Howard, celebrates their love in the design of this exquisite solitaire engagement ring. The Kay diamond engagement ring that is manufactured in South Africa is without a doubt one of the finest solitaires in the world. This design allows for a matching wedding band set with or without diamonds. The setting is versatile and allows between 0.25ct – 2ct center diamond.