Modern Minimalistic Logo Design

I'm looking for a modern and sleek logo for my diamond jewellery company. The logo should be minimalistic and incorporate abstract shapes, using a color palette of gold and white.

Deliverables:
- A minimalistic logo
- Business card template
- Letterhead template

Ideal skills and experience:
- Strong portfolio in modern and minimalistic designs
- Experience in creating cohesive branding materials
- Proficiency in color theory and abstract design concepts
- Excellent communication skills for revisions and feedback