Set against the breathtaking backdrop of South Australia, MARLII LAB is pioneering a fresh narrative in fine jewellery, intertwining elegance with sustainability and purposeful living. We cater to the contemporary trailblazer— the woman who views fashion as an emblem of her deepest beliefs and dreams. We craft audacious, resonant pieces, made exclusively for those who proudly wear their commitment to environmental and societal betterment.

Each MARLII LAB piece is more than just jewellery; it's a testament to meticulous artistry, made-to-order precision that diminishes waste and pushes the boundaries of craftsmanship. "For us, it isn't solely about chiselling elegant adornments; it's about sparking conversations, invoking love, and stirring artistic spirit. We stand as unwavering custodians of our Earth, equipping you to audaciously voice the future you envision.

Our allegiance to sustainability permeates beyond our jewellery. We champion recyclable, ethically-harvested packaging, and have bid adieu to outdated norms, pioneering a paperless dispatch system that eradicates single-use plastics. In a harmonious partnership with One Tree Planted, every MARLII LAB acquisition ensures a tree finds its roots in Australian soil, marking our deepening devotion to the nurturing embrace of nature.

Embracing MARLII LAB is more than a mere purchase; it's a bold affirmation, aligning with a brand committed to reshaping luxury with conscious innovation. We beckon you to be part of this transformative journey, to redefine radiant elegance infused with intent and passion. MARLII LAB—where chic sophistication dovetails with impactful sustainability, inviting you to become an integral strand of a larger, profound tapestry.



An exciting new chapter is set to unfold in the heart of Hyde Park as we eagerly prepare for the unveiling of the MARLII LAB Bridal & Engagement Suite. A fusion of sustainable luxury and distinctive design, the suite is the result of our collaboration with the esteemed architectural studio "LABARH". Together, we have created an immersive space that elegantly showcases our ethical fine jewellery, reflecting the exquisite craftsmanship and sustainable ethos at the core of our brand.


No more products available for purchase

Your cart is currently empty.


At MARLII LAB, we meticulously select diamonds to match each client's unique needs, guaranteeing the finest stone available at any given moment.

Our diamond specialist, driven by a fervent commitment to ethical sourcing, only chooses IGI certified stones that surpass our rigorous standards in terms of colour, clarity, and cut.

To initiate the process, please complete the form below, specifying your preferred carat size and budget. Our dedicated customer service team will respond to your request within 24 business hours.

Please be aware that, due to their unique nature, we cannot accommodate exchanges or returns for bespoke items.