It used to take the Earth 3 billion years, 2,000-degree temperatures, a little carbon and a lot of pressure to grow a diamond. Now, a new machine can do it in five days. In Kerrville, Texas, a small ...

The glittering diamonds sparkle the same but there are key differences: mined natural gems are more than a billion years old, while laboratory-made rocks are new and cost less than half the price. Man ...

A diamond is a solid rock of carbon and the hardest known naturally occurring substance. Because diamonds also have some extraordinary optical and physical properties, intensive research is underway ...

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Forbes contributors publish independent expert analyses and insights. Specialist in global markets, economics and alternative investments. Investors are grappling with unprecedented uncertainty due to ...

If you’ve shopped for jewelry lately — especially engagement rings — you’ve surely noticed a growing number of options when it comes to your choice of stone. There’s moissanite, an equally tough ...

Last year, a funny thing happened at Ring Concierge’s Manhattan showroom. A bride-to-be brought her engagement ring back to the popular jewelry store after wearing it for a few weeks and wanted to ...

Whether you’re shopping for an engagement ring or looking to invest in fine jewelry, lab diamonds are dominating the jewelry space as a more affordable (and potentially more ethical) alternative to ...

They say diamonds are a girl’s best friend—but do lab-grown diamonds hold the same social standing as their mined counterparts? And where to buy lab-grown diamonds? Over the last few years, lab-grown ...