Riva crossover diamond ear cuff from MONICA VINADER featuring recycled silver, ear cuff design, pavé-set diamonds, single earring and crossover detail. Every handcrafted Monica Vinader piece comes with a five-year warranty.. Conscious: This item is made from at least 50% recycled or upcycled materials. For recycled synthetic clothing products we highly recommend using a microfibre-catching washing bag to ensure that no microplastics that can pollute water are released in the process..