Dubai, UAE
Antwerp, Belguim
The Portuguese cut gemstone is one of the most complex and brilliant cuts in the world, featuring 177 precisely angled facets. This ultra-faceted design creates exceptional fire, sparkle, and light reflection far surpassing standard round cuts.
Each Portuguese cut stone is masterfully crafted for perfect symmetry and maximum brilliance, making it a top choice for collectors, luxury gemstone rings, and custom fine jewelry. With intense sparkle and depth, this cut transforms every gem into a radiant showpiece.
The One of One Ultra Rare Portuguese Cut
The emerald cut is one of the hardest gemstone cuts to master. Known for its clean lines and step-cut facets, it demands perfect proportions and flawless symmetry especially in the triangular corners. Unlike brilliant cuts, the emerald cut reveals every detail, making precision essential. Our expertly cut emerald cut gemstones showcase ideal symmetry, crisp edges, and perfect clarity. View the photos below to see why the emerald cut is a top choice for luxury engagement rings, fine jewelry, and collectors who value craftsmanship.
The One of One Emerald Cut
The One of One Round Brilliant
MANUFACTURING
At Rosetti, we uphold the highest standards of craftsmanship and artistry in the cutting and finishing of fine gemstones. Every stone that passes through our hands is treated not just as a material but as a masterpiece in waiting.
Our exclusive One of One Cut embodies this philosophy: each gemstone is cut individually, never repeated, and always designed to reveal the unique inner fire, colour, and life of that specific stone. No templates. No shortcuts. Only pure, intentional creation. We work only with authentic, natural gemstones responsibly sourced and thoroughly cared for throughout every stage of the cutting process. From precision mapping to final polish, each detail is executed by seasoned artisans with decades of experience and an obsession with perfection.
The Rosetti mark is more than a signature it is our legacy of excellence. A seal of trust that the gem you hold is not just rare… it is truly One of One.
The One of One Cut
Where Gem Cutting Meets Absolute Exclusivity
Hand Cut for Those Who Accept Nothing Less
EVERY ANGLE MATTERS
At Rosetti, gem cutting is not merely a craft it is the pursuit of geometric perfection.
Working to tolerances finer than 0.01mm, we achieve a level of optical precision that elevates each gemstone beyond industry standards. Every stone is meticulously hand-cut, calibrated, and polished with unwavering attention to proportion, symmetry, and the play of light revealing the gem’s full brilliance with flawless intent.
