GOODSTONE JEWELS 925 Sterling Silver Natural Opal Stud Earrings. Elevate your jewelry collection with these exquisite GOODSTONE JEWELS 925 Sterling Silver Stud Earrings, delicately handcrafted with natural Opal stone. Each 6 MM square octagon-cut gemstone is carefully set in high-quality 925 sterling silver, adding a luxurious touch to any outfit. Designed for both style and comfort, these earrings feature a secure push back closure and a compact 9.39 MM face size, making them perfect for everyday elegance or special occasions. Weighing just 2.3 grams, they are incredibly lightweight and easy to wear all day long.