The article in the url below suggests that artificial (man-made) diamonds are beginning to make serious inroads into the market for natural diamonds:
"More than a third of all engagement rings with center stones purchased last year were created in a lab, according to an online survey of nearly 12,000 U.S. couples. … That's double the number from 2020."
Since the survey data are self-reports, the results might be dismissed by some but, if there is a bias, I would expect it to be in favor of inflated numbers for real diamonds. More important, I think (and missing from the report), is whether it is price or values that is driving demand. A natural diamond takes millions of years to be created and then, of course, needs to be mined under conditions that are often far from ideal. Artificial diamonds, on the other hand, clearly do not take quite so long and are much more accessible (and ethical):
"Man-made diamonds are grown by placing a diamond seed in a sealed chamber with a carbon-containing gas such as methane. The carbon atoms bond like a lattice to the seed, building up a diamond crystal. It takes about 600 hours to grow one carat depending on the method. Their appeal, according to lab-diamond makers, is that they cause less environmental and human damage than mining diamonds from the earth as well as their cheaper price."
As a result, it is assumed, their popularity is spreading:
"It's not just engagement rings. Diamonds grown in a lab accounted for 13.6% of the $88.6 billion in diamond jewelry sold globally in 2022, up from less than 1% in 2015 where they had hovered since the early 2000s."
Specifically, the goal (for supporters) is to eradicate the possibility of an unethical supply chain:
"Proponents of man-made diamonds say growing diamonds in a lab helps stamp out conflict diamonds, or diamonds mined in war-torn regions and used to fund insurgencies. [In response] The mining industry says it traces the origins of diamonds to help stop the flow of conflict diamonds under what is called the Kimberley Process."
But, even if the primary motivating factor is morality (and the environmental angle is interesting), it is not clear there is an easy choice, as the main lobbing group for the diamond industry is getting better at arguing:
"'Consumers are being told that lab-grown diamonds are sustainable and that couldn't be further from the truth,' says David Kellie, CEO of the Natural Diamond Council, a diamond mining trade group. The group began airing videos on social media in April as part of what it calls a 'myth-busting' campaign. According to a new report by the group, more than 60% of lab-grown diamonds are made in China and India, where climate-polluting coal is the major power source. The report also touts efforts by the mining industry to cut carbon emissions and boost the economies of countries with major diamond mines such as Botswana and Namibia."
Take care
David
David Chandler
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This Wedding Season, Diamonds Face a Challenge
By Suzanne Kapner
April 29-30, 2023
The Wall Street Journal
Late Edition – Final
B1, B6
