Madison RingSolitaire Diamond Engagement Ring The Madison ring is a stunning solitaire ring that exudes minimal elegance. Crafted in your choice of gold or platinum, this ring features a delicate 1. 6mm band with 4 prong basket setting. This classic design allows the stone to shine bright and capture the light from all angles with the basket ensuring additional support to hold it in place securely. Main image shows a laboratory grown diamond for the centre stone.