Signet ring made whit rhino.

You can see the ring on the clip ( Blood Sweat & Tears ) from league of legends.

I made it juste for fun.

Yellow Gold:10KY 8.25Yellow Gold:14KY 9.29Yellow Gold:18KY 11.11Yellow Gold:22KY 12.9White Gold:10KW 7.92White Gold:14KW 9.08White Gold:18KW 10.57White Gold:10KX1 8.06White Gold:14K PdW 10.36White Gold:18K PdW 11.28Rose Gold:10KR 8.32Rose Gold:14KR 9.39Rose Gold:18KR 11.11Green Gold:10KG 8.97Green Gold:14KG 10.22Green Gold:18KG 11.46Silver:925 7.47Platinum:PLAT 14.49Platinum:PLAT RU 14.89Titanium 3.25Steel 5.55Wax CNC 0.72Resin 3D Printer 0.87