The BEST pricing on fine diamond jewelry in Denver - Guaranteed! The Diamond Reserve specializes in creating the finest custom diamond jewelry using the highest quality craftsmanship and materials. Clients work with us to design a truly unique piece that she will cherish forever, especially since you designed it yourself! Our lab certified diamonds are some of the purest and brightest available in the world and we inventory all shapes and sizes. Clients are given the opportunity to hand select their own loose diamonds and custom design a setting using a precious metal of their choice. Our jewelry is offered at prices that simply can not be beat anywhere - guaranteed.