About us

Welcome to Sugihara & Co GmbH

 

We’re glad you’re here! At Sugihara & Co, located in the heart of Zurich, Switzerland. We combine family tradition with innovative expertise in lab-grown diamonds. Our premium, certified lab-grown diamonds from 1 carat upwards are carefully crafted in our family-owned facilities in Antwerp, Japan and India, ensuring a global presence.

 

Why Choose Lab-Grown Diamonds?

• Modern Luxury: Lab-grown diamonds represent contemporary elegance and forward-thinking luxury.

• Ethical & Sustainable: Environmentally friendly with no mining involved – true luxury without compromise.

• Identical Quality: Chemically, physically, and optically identical to mined diamonds.

• Cost Advantage: Significantly lower prices allow you to reach a broader audience.

 

Why Sugihara & Co?

 

As a jeweler, goldsmith, or designer, offering our lab-grown diamonds means appealing to modern, conscious customers, setting yourself apart from competitors, and benefiting from excellent margins and a reliable, transparent supply chain.

 

We look forward to welcoming you personally—visit our showroom in Zurich by appointment.

 

Our global family presence: Antwerp, Japan, and India.

 

 

How we support you in reaching new customers:

1. Personalized Service:

• Book a private consultation in our Zurich showroom by appointment.

2. Digital Inspiration:

• Follow us on LinkedIn and Instagram for insights and inspiration.

3. Sustainability Advantage:

• Appeal to environmentally conscious customers with ethically produced diamonds.

4. Rewarding Recommendations:

• Enjoy attractive referral incentives and strengthen your network.

 

Interested? We’d love to hear from you via our contact form or directly on LinkedIn!