The Black Agate Grau Necklace will bring contrast, elegance and shine to your looks. On this occasion, the Grau house wants to celebrate love with you in all its facets. To do this, it creates its new and exclusive Halo Heart collection, a collection that also takes the proportion and beauty of classical art as a source of inspiration for its designs. This is where this necklace in 18k yellow gold and black agate with diamonds was born, a balanced, distinguished and versatile jewel, since you can wear it at any event or occasion. Don't miss this and other news on our website.