man-made, cultivated vs. laboratory-grown ... marketing to infuse a cool factor into having and owning one of these gems. We live in a high-tech world. A machine-made diamond is the space-age ...

The method challenges the notion of man-made gemstones being synthetic, she added. "The slightly unpredictable growth ...

The method challenges the notion of man-made gemstones being synthetic, she added. "The slightly unpredictable growth features natural facets, and this I find fascinating as a jewellery maker ...