Can someone help me figure out what setting this is?

[ernnich]

Hello,

New guy here trying to figure out what setting this is. I just have a picture but who is the maker and where can I purchase the set?

Thank you in advance

 

[LilyOfTheValley]

www.sunjewelry.com

 

[tyty333]

Here is the individual ring (couldnt have found it without the lilly link!)