What kind of relationship do bạn think was between pink, yellow, and blue diamond?

I thought there was a tình yêu tam giác between them. màu hồng, hồng and blue diamond were together and yellow was jealous and shattered màu hồng, hồng so she can be with blue is why she was trying to get her to forget about pink. but after seeing " Jungle Moon" after the way màu hồng, hồng might have acted portrayed bởi Stevonnie, I think a maybe they could've had a mother-daughter relationship. what do bạn think?