Zirconium engagement rings are gaining popularity for their sleek, contemporary look and impressive durability. Naturally a grayish-white metal, zirconium is heat-treated to create a rich black finish that's both eye-catching and scratch-resistant. Perfect for those who want a modern alternative to traditional metals, zirconium offers a lightweight feel with heavy-duty strength. It’s ... https://www.jewellerydesigncentre.co.uk/collections/black-zirconium-rings