Board Thread:General Discussion/@comment-25539649-20150620190612/@comment-7527615-20150626005017

Ralunix wrote: If Rose Quartz is the pink Dyamond...What is Sardonyx is the yellow one...?? I agree with this. Sardonyx could be Yellow Diamond. During battle for Earth, Rose, being part of the diamond authority, rebelled against homeworld and had a battle with yellow diamond.

http://tall-gay-danny-lawrence.tumblr.com/post/122460948509/charlesoberonn-for-all-of-you-non-believers Evidence that Rose could be Pink Diamond.

http://40.media.tumblr.com/5fdd788f7868f5eccda8f06862639d9c/tumblr_inline_nmo1arrvFD1sfxqc0_500.jpg In this image, one of the murals shows rose battling another gem that could supposedly be Yellow Diamond (or if confirmed, Sardonyx.)