[kenny_r]

According to Wikipedia[0], the patents for the creation of Moissanite expired in 2015 in the US and in 2016 for the most of the rest of the world.

[0]: https://en.wikipedia.org/wiki/Moissanite#Applications

[saidajigumi]

Interesting. Moissanite (silicon carbide) has a number of similar characteristics to diamond. So I decided to see whether, like diamond, its use as a high-temperature semiconductor had been investigated. Turns out the answer is yes, specifically by Toyota for its hybrid cars' power control units (PCUs):

https://www.wired.com/2014/06/toyota-semiconductors-evs/

[TD-Linux]

Yeah, manufacturers like Cree specialize in it for high voltage MOSFETs.

[dimino]

What if you spend the same amount you would have spent on a diamond, but on a Moissanite ring?

[takingflac]

While I love the idea of a crystal ring of any kind, metal beats it in two cases:

1. Crystals can shatter if stuck at the wrong angle (unlikely but possible).

2. Unlike a gold band the crystal ring can't be resized later in life.

[dimino]

You must be fun at parties...