this post was submitted on 07 Sep 2023
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[–] [email protected] 65 points 1 year ago (4 children)

Where do I find these dime sized rubies for 20 bucks?

[–] gravitas_deficiency 29 points 1 year ago (1 children)

Right? A dime is a touch over 18mm, and prices I’ve been able to nail down on a couple sites for artificial rubies of that size, while way less than terrestrial rubies, cannot be considered ”cheap” - we’re still talking thousands of dollars.

[–] JohnDClay 19 points 1 year ago (1 children)

Maybe they mean ruby infused grinding wheels?

https://www.travers.com/product/radiac-ruby-surface-grinding-wheels-71150

Or maybe they were exaggerating a little bit and thinking about ruby bearings.

https://www.renishaw.com/shop/Product.aspx?Product=A-5000-3611

[–] booly 2 points 1 year ago

A million f[beep]ing diamonds!

[–] [email protected] 19 points 1 year ago

This post is so old the price has gone up since.

[–] [email protected] 7 points 1 year ago (1 children)

Yeah, if anybody finds these cheap rubies do let me know, I'd love to buy them

[–] Evilsmiley 2 points 1 year ago (1 children)

I've seen youtubers that bought reject sapphire from the f-35 cockpits that had some minor flaw in some place that disqualified it.

I think you can buy reject batches of artificial ruby for indilustrial applications too.

[–] [email protected] 1 points 1 year ago

Where do you buy that from?

[–] Evilsmiley 5 points 1 year ago (1 children)

https://cascadejewels.com/

I searched lab grown rubies and these guys seem to be pricing near to that cost. They seem legit from a cursory search but i haven't looked that deep.

[–] [email protected] 2 points 1 year ago

That's awesome, thank you!