The gem in a citrine pendant is considered a harmonious, optimistic, and cheerful stone with the ability to brighten up our hearts darkest places Wearing an aquamarine is said to help couples smooth out their differences and reawaken their love for each other making an aquamarine pendant the perfect anniversary present. Yellow gold brings out the bronze and golden colors inside a smoky quartz pendant. White gold will highlight the brown and grey tones of the gem. Either way, you can't go wrong.