
Our Services
At NetDiamonds, we offer a wide range of polished diamonds, meticulously crafted in-house to meet the highest standards. Our collection includes diamonds ranging from 0.30 to 10 carats, available in various shapes, colors, and clarities. Each diamond is certified by the Gemological Institute of America (GIA), ensuring quality and authenticity.

Custom Jewelry
Transform your vision into reality with our bespoke jewelry services. Whether it’s an engagement ring, anniversary gift, graduation present, or a unique piece for a special occasion, our skilled artisans will work with you to design and create exquisite jewelry in platinum, 18kt yellow gold, white gold, or rose gold.
Investment Diamonds
Secure your financial future with our investment-grade diamonds. Ethically sourced and GIA-certified, our loose diamonds are perfect for collectors and investors seeking high-quality assets. Our experts provide guidance on selecting the best diamonds for your portfolio, ensuring long-term value and appreciation.


Repolishing Services
Our talented designers and craftsmen are dedicated to creating one-of-a-kind jewelry pieces that reflect your personal style and preferences. From initial concept to final creation, we ensure every detail is meticulously crafted to perfection. We also offer make-ups and upgrades for existing jewelry, giving your cherished pieces a fresh new look.
Insurance-Related Services
NetDiamonds provides comprehensive insurance-related services, including valuation certificates, replacement pieces, and upgrades. Our expert team will assist you with claims, ensuring a smooth and hassle-free process. We also offer free advice and guidance to help you protect your valuable jewelry.

Shapes, Colors, and Clarities Available
Net Diamonds
NetDiamonds Trading specializes in the trading and polishing of rough diamonds. We extend our services to selling finished products both locally and internationally.
- Crafting Unique Jewelry Pieces
- Giving New Life to Cherished Items
- Ensuring Perfection in Every Piece
From Concept to Creation
Net Diamonds
Our substantial inventory of polished diamonds meets the stringent GIA specifications, providing our clients with top-quality diamonds for various needs.
- Professional Diamond Polishing
- Ensuring Top-Quality Finishes
- Maintaining Diamond Integrity and Quality
Tailoring Diamonds to Your Needs
Net Diamonds
From initial concept to final creation, we ensure every detail is meticulously crafted to perfection. We also offer make-ups and upgrades for existing jewelry, giving your cherished pieces a fresh new look.
- Sourcing and Trading Expertis
- Mea id soluta detraxit.
- Maintaining a Diverse Stock of Polished Diamonds
Request a quote.
We’re here to assist you with all your diamond and jewelry needs. Whether you’re looking for the perfect diamond, a custom piece of jewelry, or expert advice, our team at NetDiamonds is ready to help.
Visit us at our Johannesburg location or reach out to us through the following contact details:
About Us
At NetDiamonds, we believe in the transformative power of diamonds. Established in Johannesburg, South Africa
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FAQ
- Where is NetDiamonds located?
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- How does NetDiamonds ensure ethical sourcing?