925 Sterling SilverCircle of Life Pendant Necklace Materials - Genuine 925 Sterling Silver 11mm Circle of life pendant. This sits on a 925 sterling silver Curb chain which has been diamond cut for extra shine. All of our items are crafted in the highest quality Solid Sterling Silver and finished to perfection. Realtime Design Ltd is Assay Assured. All retailers that display the Assay Assured Trustmark, are part of a scheme that guarantees their customers that all of the precious metal (not exempt by weight) sold by them in an item, carries the legally required independent hallmark. This hallmark verifies the precious metal content. To have your piece hallmarked, there is an additional fee which you can message us about.