nana 14k gold post & sterling silver 3 prong cz stud earrings -platinum plated-8.0mm-4.00cttw central diamond center *genuine swarovski pure brilliance cubic zirconia *low profile design *solid sterling silver 4 prongs or 3 prongs mounting * available in platinum plated, 14k yellow or 14k rose gold plated. *double notched post for extra security *solid 14k gold posts *patent pending this is the best quality that you will find for this price. our special designed stud earrings look and feel like diamonds and gold for a fraction of the price. 4 prong setting is solid sterling silver. the yellow gold look is 14karat yellow gold plated over sterling silver. all of the posts on these earrings are solid 14karat gold. the posts are double notched for extra security of wear. the stones are genuine swarovski pure brilliance cubic zirconia. low profile design sets the stone as close to your ear as possible making for a more comfortable and have more stability on your ear. you must see these to appreciate the beauty. 1.00 carat is 100 points .25 means 1⁄4 carat .50 means 1⁄2 .75 means 3⁄4 carat in this case we refer to diamond look simulated diamonds (swarovski zirconia) 5.25mm represents 1.00carat total weight of diamond look. 5.50mm represents 1.50carat total weight of diamond look each stone looks like a 3⁄4 carat diamond(simulated) 6.50mm represents 2.00carat total weight of diamond look. each stone represents 1.00carat. (simulated) 7.50mm represents 3.00carat total weight of diamond look. each stone looks like a 1.50 carat diamond(simulated) 8.00mm represents 4.00carat total weight of diamond look. each stone looks like a 2.00 carat diamond (simulated)