These are 4mm citrine (November birthstone) second earrings. Made of 18K yellow gold, these earrings have an elegant shine that blends well with the skin and an eye-catching orange color. Citrine has meanings such as "hope" and "wealth," making it a recommended piece of jewelry as a lucky charm. Perfect for everyday wear as well as formal occasions. [TAKE-UP's commitment to Second Earrings] High quality metal (18K Yellow Gold or Platinum) that is less likely to cause allergies Large earring back that doesn't fall off easily Thick post to keep the piercing hole stable Easy-to-grip top Wide variety of designs * TAKE-UP products are Made in Japan, handcrafted by Japanese craftsmen. * We use natural stones. Please note that there may be individual differences in color, texture, and inclusions. Materials 18K Yellow Gold, Citrine Size Height 4.0mm, Width 4.0mm * The lengths above are approximate. Product ID: 2424430