You need to obtain way more than just 150 Sapphires.
I've read somewhere that it should be 500 Sapphires, which is also wrong.
I got this Title after crafting more than 1000 Sapphires.
2
Anonymous 10-10-2016 21:06
Don't know about the 1000+ but definitely got it after 500+
0
Anonymous 15-07-2017 00:48
Received it after i crafted 1000 sapphires. I know this because i kept all of them as i crafted.