With crisscrossing round diamonds and a distinctive princess-cut center, this Platinaire® engagement ring with 1/5 ct. t.w. of diamonds is the epitome of elegance. 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.