Vtg Antique 14K Gold & Labradorite Imperial Russian Egg Pendant marked 585. Here is a beautiful labradorite gemstone egg pendant, suspended from a 14K gold fitting, hand made, from Imperial Russia. It is marked 585 inside and stamped with a 56 on the fitting. Height: 25 mm or 1 inch. Diameter: 19 mm or 0.75 inch (the sale is for the pendant only, chain is not included).