In short, lab-created, synthetic, and imitation opals are all man-made. Still, there are differences. Natural opals: Natural opals are solid gemstones made of silica, and have not been altered in ...
Simply stated, lab-grown gemstones are created in laboratories, while natural stones are formed in the earth over the course of billions of years. Lab-made (or synthetic) diamonds grow from a tiny ...
Unlike gems grown from scratch in a lab, which can be energy-intensive ... The method challenges the notion of man-made gemstones being synthetic, she added. "The slightly unpredictable growth ...
Cormac Kinney, the CEO of the commodities trading firm Diamond Standard, believes the plunge could be even steeper as the hype over lab-grown gems fades. Man-made diamond prices could ultimately ...
The spinels in the lot were acquired decades ago by globally acclaimed designer Munnu Kasliwal, who had a particular affinity for the gem and created many ... especially after lab-grown diamonds ...