We support the growth of your business, so it can shine at its brightest
Workshops
Stone with precise parameters for individual orders, and quick access to the sizes you need — without long waiting times
Jewellery Designers
Stones for new collections and original projects, with the possibility to select by concept and budget
Boutiques
Expand your offer with modern lab-grown diamonds and jewellery that customers are increasingly asking for
Wholesalers
Stable supply of stones and products with transparent parameters and convenient partnership terms
Our Offer
We build a network of partners for whom quality, trust and modern expertise matter. Our mission is not only to supply stones, but also to support boutiques in selling with confidence and strengthening their image in the eyes of their customers
It is the jewellery formula we follow to deliver high-quality products:
2jewellery craft + technology
0tolerance for defects
5quality control standards:
4C (carat, colour, clarity, cut) + verification
Exceptional Quality
Every diamond goes through rigorous quality control to meet the demands of the most discerning clients
01
Office & Warehouse in Warsaw
Fast delivery, customer support in Polish, English and Russian
02
Competitive Pricing
We monitor the market and strive to offer competitive prices without compromising on quality
03
Individual Terms
Flexible order sizes and a dedicated personal account manager
04
Educational Support
We help our clients expand their knowledge about synthetic diamonds
05
Client Testimonials
Tomasz R.
jewellery boutique owner
In the retail segment, customers are increasingly asking about lab-grown diamonds. I needed a supplier who could guarantee stable stock levels and consistent quality standards. The cooperation runs smoothly — clear terms, timely deliveries and support in building the assortment. This allows us to grow our offer without the risk of over-freezing capital.
Anna L.
buyer marki jubilerskiej
When working on a new collection, we test several cuts and clarity ranges simultaneously. 205 allows us to quickly receive samples according to our specifications — this shortens the design cycle and enables us to enter the market earlier than the competition.
Michał K.
goldsmith
I prefer to touch the stone before purchasing. At the 205 office in Warsaw I can come in, view the available assortment and choose what actually fits the project. Apart from loose stones, I also take finished products — this means I have a full offer on display, and clients often leave with a ready-made solution, not just an order.
Enquire About Partnership
If you are a goldsmith, jewellery designer or jewellery boutique owner, we invite you to get in touch. We will be happy to answer all your questions and help grow your business.