0.50 - 4.00 CT 14K SOLID YELLOW GOLD AQUAMARINE ROUND SHAPE STUD Push Backs Earrings. 0.50CT - 4.00CT. The item "14K YELLOW GOLD BLUE AQUAMARINE ROUND SHAPE STUD PUSH BACK EARRINGS All Sizes" is in sale since Thursday, May 8, 2014. This item is in the category "Jewelry & Watches\Fine Jewelry\Fine Earrings\Gemstone".The seller is "limor_jewelers" and is located in Brooklyn, New York. This item can be shipped worldwide.