You can buy a diamond at Tiffany, Blue Nile, or Costco, but there are some things you should know before buying one anywhere.

(IDEX Online) - A cruise passenger claims she was duped after handing over $1,200 for a "half price" diamond ring, only to ...

This is because most engagement rings feature 14k solid rose gold, as opposed to more expensive 18k ... that offers a ...