Princess cut genuine Aquamarine gemstone stud earrings
Classic look that adds a touch of color to any ensemble
Crafted in 10k white gold setting and butterfly backs

Amazon.com

You'll be dazzled by the beautiful look of natural gemstones in the White Gold Princess Aqua Studs. Made with gorgeous 10k white gold?? these .2-inch earrings feature a stunning princess-cut aqua gemstone in a four-pronged setting. These diminutive studs are ideal for complementing your everyday look. A post with friction back allows for an effortless on/off.

http://www.amazon.com/gp/product/B00433SL1K