Before we dive into our top picks of sapphire and diamond engagement rings, it’s better that we first understand the reasons behind the popularity of engagement rings fashioned with sapphire and diamond. Sapphire is a beautiful gemstone that can make you feel as if it’s lit from within. The brilliance and fire that this gemstone endows make it far ahead of other precious gemstones. The sumptuous and elegant views of this gemstone can excite the curiosities of everyone in a trice. Other than sapphire’s beautiful blue color, what makes an engagement ring adorned with this gemstone a hit among the masses is its hardness and durability.