About Ruby and Lab Diamond Interlock Earrings. All our Ruby and Lab Diamond Interlock Earrings are available in a choice of gems and precious metals. You can also add your own personal meaning to any of our Ruby and Lab Diamond Interlock Earrings, creating a beautiful memory and brilliant reminder. We use only the highest quality materials to craft our Ruby and Lab Diamond Interlock Earrings 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 Ruby and Lab Diamond Interlock Earrings. The profile, textures, and details of our Ruby and Lab Diamond Interlock Earrings 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 Ruby and Lab Diamond Interlock Earrings is even more striking when brought to life in the finest precious materials.