Elizabeth Bailey Christenbury / Arte Joyas / Meet the Cat
The rings above are made from rubber and silver but the rubbery black ones are blackened silver, and the ribbons of colour on silver are rubber. Roger? For more, see Elizabeth Bailey Christenbury, based in Georgia.
A rubber duck, made of silver and rhodium, by Mexico's Arte Joyas.
Rubber statement necklace by Greek jeweller Meet the Cat.