These 14k yellow gold round opal screw-back stud earrings feature 3 mm genuine natural opals with a 0.14 ct total weight. Size/Dimensions: Earring Dimension: 0.13 in / Stone Dimension: 3 mm Occasion: Mother's Day Metal Stamp: 14 kt Gem Weight: 0.14 Gift Box: Gift Box Material: Yellow Gold Stone: Opal Stone Shape: Round