This Platinaire® ring represents four perfect square diamonds that come together in a sparkling style that stands out with a total weight of 1/3 ct. t.w. of princess-cut and round diamonds. This ring is available in size 7 only. Platinaire® is a patented blend of sterling silver and 5% platinum. More durable than silver, Platinaire® is hypoallergenic, environmentally responsible and nearly impervious to tarnish. Platinaire® rings cannot be resized after purchase.