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De Beers admits defeat over man-made diamonds

money.cnn.com

311–320 of 455 posts

Re: De Beers admits defeat over man-made diamonds

#311
post #304

> The new synthetic diamonds will come in pink, blue and white, and the stones will contain a tiny Lightbox logo. De Beers said the logo won't be visible to the naked eye, but it will make the stones easily identifiable as lab-grown. This would suggest that it's not easy to identify lab-grown diamonds from other diamonds.

There's a fluorescence test and a conductivity test they do. Iirc, the natural diamonds do worse and that's how they identity them.

Re: De Beers admits defeat over man-made diamonds

#313
post #171

Earlier quoted context omitted.

Compare synthetic vanilla flavouring vs plant based. Same molecule, but big price difference.

Something is different though - vanilla flavouring doesn't taste nearly as good as real vanilla. I guess the vanilla contains a spectrum of substance, whereas the flavouring only contains the main one?

Yes

Vanilla is actually vanilla - it's a complex substance. Artificial vanilla is just one component of vanilla - vanillin.

Re: De Beers admits defeat over man-made diamonds

#314

My wife and I got married without buying a diamond ring. I simply refused to spend money in things that are overvalued by the market because some marketing scheme was so strong that it made facts look silly. I told her that I refuse to spend money on things that cause other people pain. Especially when there is no guarantee that the diamond we buy are not blood diamond. Instead we invested our money in buying things…

I gave my fiancee, now spouse, my grandmother's diamond ring, about forty years ago now. The value instilled in diamonds by fake scarcity is nothing compared to the value instilled in durable objects (like rings) by their history. It's all sentimental value anyhow.

It's great that diamond mining is starting to fade from human history. It will take a while. The mall jewelry shops are still advertising the engagement-ring "one month's wages" schtick.

My snarky electrican engineer pal puts it this way. "Sure, crystals can put you touch with the whole universe. But you have to build them into circuits first!"

Re: De Beers admits defeat over man-made diamonds

#315

Earlier quoted context omitted.

Yes. They put a logo in it.

Only for their own branded diamonds, there's no requirement that other manufacturers add any distinguishing feature.

I'm pretty sure that most do something similar regardless.

Re: De Beers admits defeat over man-made diamonds

#317

Earlier quoted context omitted.

I'm pro nuclear, but given that the side effects on the oceans and hence the entire planet are still to be accounted for and that we won't know before decades, I find that comment quite arrogant. It's also discarding the real suffering of all the people that were affected by the 3 major nuclear accidents. I have a friend of mine who his medicated for life because of Chernobyl. Black and white are rarely the winning c…

> I'm pro nuclear, but given that the side effects on the oceans and hence the entire planet are still to be accounted for and that we won't know before decades, I find that comment quite arrogant. The ocean already has about 4.5 billion tons of naturally-occurring uranium in it, as well as many other radioactive substances. Fukushima wouldn't have made a significant difference in that figure if they'd ground up the…

> The ocean already has about 4.5 billion tons of naturally-occurring uranium in it

Intensity and locality are important factors. You can eat a spoonfull of sugar everyday for a year and be ok, but eating 365 in one day is going to be a different story.

Because ocean are very complex an interactive system, and local intense event can then have a domino effect on the rest.

Now as I said, we don't know the effects yet. I'm not pretending I know if it's bad either. That's the meaning of "we don't know".

But given we have only one planet and we kinda sitting on it, it seems very silly to me to state "nah, we'll be fine" and discard risks. That's how teenagers react.

Re: De Beers admits defeat over man-made diamonds

#318

Earlier quoted context omitted.

Mineral name wise, sapphires are a type of corundum. Usually blue, sometimes green, yellow, orange, or others, depending on various metals mixed into it. But if it’s red (via chromium) it’s a ruby instead. Clear crystalline aluminum oxide you’d generally just call corundum (or aluminum oxide if you’re not feeling fancy), but that doesn’t market as well when you’re making watch faces and camera lenses out of it, so I…

The names ruby and sapphire are not marketing driven; they are color terms that long predate the development of chemistry to the point where we could determine what gems were. Many famous historical "rubies" are not corundum but spinel; they were called rubies because "ruby" was the term for any red gemstone. "Moissanite" is purely marketing, though.

I can also verify this. I currently have 932 flawless imperial rubies in my stash and they are all red.

Re: De Beers admits defeat over man-made diamonds

#319

Interestingly enough, this starts to bring up questions that have previously only been super active in science fiction circles, particularly, Star Trek: If you can perfectly recreate something down to the molecular level, what actually has value? (Assuming, someday, that synthetic versions are excessively cheap, in Star Trek's case.) If you can replicate cooked food perfectly, will people still claim that "real" food…

The problem is that value for the unseeable differences is simply a human idea. Why would the paint arranged on a canvas by a famous artist have more value than the same paint arranged on the same canvas by myself? Value comes in the appreciation of the art. So diamonds that have been created over billions of years probably has more appreciation than ones created in 500 hours, even if they are exactly the same at the…

Really? I think its just status signalling.

Re: De Beers admits defeat over man-made diamonds

#320

Earlier quoted context omitted.

The problem is that value for the unseeable differences is simply a human idea. Why would the paint arranged on a canvas by a famous artist have more value than the same paint arranged on the same canvas by myself? Value comes in the appreciation of the art. So diamonds that have been created over billions of years probably has more appreciation than ones created in 500 hours, even if they are exactly the same at the…

Really? I think its just status signalling.

Pretty much. Read Bourdieu's Distinction: A Social Critique of the Judgement of Taste, one of the key sociological texts of the past few decades. It essentially makes this argument using slightly different terminology.
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