Family, passion, and professionalism – these are the values that have accompanied the founders of DIAMANTI, Justyna and Maciej Ożdżeńscy, from the very beginning. For us, DIAMANTI is not just a business; it is a life project that we pursue with full dedication. We own our own jewelry workshop and a specialized gemmological laboratory, allowing us to control quality and ensure precision at every step of our work.
Our brand is not just about us; it is also about the team of highly qualified professionals who pour their hearts and passion into their work every day. Thanks to them, we are able to deliver products of the highest quality—from meticulously crafted jewelry to comprehensive investment advisory services in the field of jewelry and gemstones. At DIAMANTI, every team member plays a crucial role—whether they are craftsmen, gemmologists, or customer service specialists. Together, we create a brand that not only delivers beautiful products but also builds long-lasting relationships based on trust.
DIAMANTI offers more than just jewelry—we provide a wide range of services for both individual customers and jewelers. We take great care in crafting our products, offering a comprehensive selection of services, including jewelry production, gemstone wholesale, and investment advisory. Our gemmological laboratory, Gem Lab Polska, is equipped with the most advanced tools and technologies, allowing us to conduct precise gemstone analyses and certification according to international standards.
We are also passionate about antique jewelry. Every antique jewel that enters our workshop is meticulously examined. Antique jewelry is not only a symbol of luxury but also a stable form of investment. In today’s world, where markets are unstable, antiques become not only capital but also an international currency that can be used anywhere in the world. At DIAMANTI, we offer a wide range of antiques that are perfect for diversifying investment portfolios.
As a family with three children, we understand how important security is. That is why we are committed to offering products that combine high value with competitive prices, ensuring that they meet our clients’ needs at the highest level. Our goal is not only to meet our clients’ expectations but also to safeguard their future through informed advice and responsible management of their capital.
Our offerings also include engagement rings that accompany our clients during some of the most important moments in their lives. Each ring is carefully designed and crafted to not only amaze with its beauty but also symbolize the enduring bond and life that our clients will build together.
Our work is more than just a responsibility – it’s our mission, vision, and strategy. DIAMANTI is a company that strives for perfection at every step. We prioritize loyalty and honesty in our relationships with both clients and employees. The DIAMANTI team is not just composed of artisans and specialists; it’s made up of people who love what they do and who put their entire passion into their work.
Every product we create is certified by our laboratory, giving our clients confidence that their investment is safe and holds real value. DIAMANTI is a brand that combines passion with professionalism, delivering exceptional products that not only captivate with their beauty but also provide a secure investment for the future.





