Emerald Cut Aquamarine Earrings in 14kEmerald Cut Aquamarine Earrings in 14k. This pair of stud earrings features 6. 54 carats of natural aquamarine and are set in 14 karat yellow gold. The pale blue aquas are set with thick prongs on their corners and are just such a great size for everything from daily wear to a fancy party! The facets of the emerald cuts are excellent at catching and refracting light, ensuring that these will always be adding sparkle to your life.