The Stella ear studs are made in 10-karat gold, and set with oval-cut Blue Topaz gemstones. All Stella jewellery are characterized by a star-shaped pattern behind each gemstone. The earrings belong to the Stella collection with a hidden star shape behind every gemstone. Blue Topaz is November’s birthstone. It is a transparent gemstone with a clear, blue colour. The gemstone symbolises communication, love, truth, and attraction. Jewellery with Blue Topaz is also traditionally gifted on 4th wedding day anniversaries. Material: Gold Karat: 10K Stone: Blue Topaz Number of Stones: 1 Stone Setting: 8 Prong Dimensions: Length: 4,5 mm Sold as: Pair Does it come with certificate?Yes Can the piece be engraved? No