Blue and White Diamond Swirl Pendant-Necklace in Sterling Silver .925 sterling silver cross with heat treated blue and natural white diamonds. Pendant measures just over 1 inch high 18 inch Sterling Silver Chain Blue diamonds are natural diamonds, heat treated blue. White diamonds are natural and not treated. .925 sterling silver- Rhodium Finished .925 sterling silver cross with heat treated blue and natural white diamonds. Pendant measures just over 1 inch high 18 inch Sterling Silver Chain Blue diamonds are natural diamonds, heat treated blue. White diamonds are natural and not treated. .925 sterling silver- Rhodium Finished