18k concealer pearl pendant setting for 12-16mm pearl18k gold weighs approximately 0. 64 grams, The cap opening size is approximately 10. 8*11. 3 mm, suitable for 12 16 mm round beads or short round beads. For all styles that are not specified as diamonds, the stones above are all synthetic zircon. The pearls shown in the picture are for reference only. The actual delivery does not include beads or necklaces. If you need beads and necklaces, please purchase them separately.