Modern Rings CAD Design

I'm seeking an experienced CAD designer to create modern ring designs.

Requirements:
- Expertise in CAD software for jewellery design
- Strong portfolio of modern jewellery designs, particularly rings
- Knowledge of working with materials like gold and platinum, and incorporating diamonds

Ideal Skills:
- Attention to detail
- Creativity in modern design aesthetics
- Experience with gemstone setting and metalworking

Please provide samples of previous work and a brief design concept.