Realistic CGI Ring Video

I'm looking for a realistic CGI video of a ring set in an urban environment. The video should prominently feature the ring's design and gemstone details.

Requirements:
- High-quality, realistic CGI rendering
- Urban background (e.g., cityscapes, buildings)
- Focus on ring design and gemstone intricacies
- Smooth, professional animation
- Follow EXAMPLE VIDEO: https://www.instagram.com/reel/Cw60UWrPBRU/

Ideal Skills:
- Expertise in CGI and 3D modeling
- Experience with urban environment rendering
- Attention to detail in jewelry design
- Proficiency in animation software

Please provide samples of similar work.