Ready-to-ship, this classic engagement ring features a 1/2 carat round Astor center diamond. The platinum six-prong solitaire is the ultimate classic engagement ring style, crafted to showcase the diamond. Our Astor stones are specifically cut to maximize brilliance and are graded by both GIA and GemEx to guarantee their quality and sparkle, and the ring will be accompanied by the GIA report and a complimentary appraisal.