South China Morning Post
https://www.scmp.com/magazines/style/luxury/jewellery/article/3267984/sustainable-shimmer-brands-pandora-tiffany-co-are-switching-recycled-gold-and-silver-while-boucheron
Can luxury jewellery ever be truly sustainable?
The world’s largest jewellery brand, Pandora, announced that it will only use recycled gold and silver, while Pomellato is using an ancient Japanese technique to upcycle damaged stones