The most precious engagement ring is the heart that I have painstakingly crafted to love you, not expensive diamonds

 For her beloved, do it yourself! 

https://www.topbuzz.com/@xuefenghu/the-most-precious-engagement-ring-is-the-heart-that-i-have-painstakingly-crafted-to-love-you-not-expensive-diamonds-BgIAa3Un8Fs