14K White Gold Diamond Stud Earrings W/ 0.25ct SI Diamonds & Cluster Flower for women. This petite pair of diamond stud earrings feature 0.25ct SI diamonds with G-H color and round brilliant cut. This pair also features a screw back post. They are 4 mm and weigh a total of 1.3 grams. These lovely stud earrings are ideal to wear as a daily accent to complement your attire.