Hallmark identification

I have a 14k white gold ring with a half carat center Diamond with 3 .10 carats on each side. I’ve been trying to find the maker of the ring since I’m pretty sure it’s vintage but searching doesn’t yield anything. Googling 14k SS just gives you a bunch of things on sterling silver rings. I had to compress the file to make it small enough to upload or I would’ve uploaded the face of the ring as well so hopefully the quality is good enough. I appreciate any help I can get. Also I mainly deal with coins so I took my loupe and put it in front of the camera lens to get the picture

 

I think this might be Stuller after using one some links a member posted, they’re also based in Louisiana which is where I live