The value of the ring is important not only to show the girl how
much she meant to you, but also needed to show your future
mother-in-law how much her precious and only xin gan bao bei
daughter meant to you.
But if the ring is too cheap like 2-3months worth of salary,
then it won't be surprising if the guy is tempted to go Batam,
Bali, China, Vietnam, Thailand, Philippines and other
3rd-World countries to look for another girl and have another
family there...since the ring is so affordable to the guy.
True love in Singapore is mostly a one-sided fairytale, and it
is almost impossible to find a true love relationship in Singapore
as I have yet known or see any couples out there who are living in
a true both-sided love story. 
eh.... how cm u excludes msia huh?? whaha
well... we can b a both-sided de.... but we hv to start sum whr
lo...