Silver ring by Arior. The white part is given by a special treatment meant to last and the black part is an oxidizing patina. 18mm wide in the upper part, 9mm  wide the lower

Silver, gold and diamond bracelet with nylon cord. Handmade in Barcelona. 12mm diameter of circle. Adjustable size

Silver, gold and diamond earrings. Handmade in Barcelona by Miquel sardà. 12x14mm. Butterfly closer

Silver, gold and diamond earrings. Handmade in Barcelona by Miquel sardà. 8x8mm.  Butterfly closer

Silver, gold and diamond pendant. Handmade in Barcelona. 9x9mm. The price does not include the chain.