At Preziosina Lab, luxury is not merely crafted—it is inherited. With the mastery of two generations devoted to the art of diamond expertise and fine jewelry creation, our heritage began in the 1960s in Milano, Italy, where the heart of our craftsmanship still resides. From our Italian ateliers to our Swiss expansion, we proudly serve a distinguished international clientele across Europe, the US, the UK, and the UAE.

Every creation begins with a pursuit of absolute perfection. We select only exceptional lab-grown diamonds, chosen for their unparalleled brilliance, purity, and precision cut. Each stone above 0.50 ct is accompanied by a leading, globally respected gemological certificate, such as IGI or GCAL, ensuring full transparency, quality, and confidence.

At Preziosina Lab, personalization becomes a bespoke luxury experience. Our team of Gemologists, Designers, Modelists, and Master Goldsmiths is at your service, dedicated to shaping jewelry that embodies your vision with exquisite finesse. Whether your desire is an extraordinary engagement ring, a radiant necklace, or timeless earrings, our experts guide you from selecting the ideal lab-grown diamond to the final creation of a jewel crafted with impeccable Italian artistry.

Indulge in the brilliance of modern luxury.

Shop now—Preziosina Lab is devoted to you.