About Men's Ruby Infinity Promise. All our Men's Ruby Infinity Promise are available in a choice of gems and precious metals. You can also add your own personal meaning to any of our Men's Ruby Infinity Promise, creating a beautiful memory and brilliant reminder. We use only the highest quality materials to craft our Men's Ruby Infinity Promise with meticulous attention to detail. Our precious metals are recycled or responsibly mined. We hand-select each conflict-free gem in to perfectly complement your selection from our Men's Ruby Infinity Promise. The profile, textures, and details of our Men's Ruby Infinity Promise add individuality and style to everything you wear. When our work is done and you open that box, you'll see your design from our Men's Ruby Infinity Promise is even more striking when brought to life in the finest precious materials.