Rocks Pearl Collection 9ct. Yellow Gold Stud Earrings Decorated With White Round Shaped Freshwater Pearls. These studs feature 3mm freshwater pearls set in a post and butterfly fitting. They are a classic piece which will look great worn as part of a formal look to an elegant affair or casual. Pearls are a must have for any ladies jewellery collection and these will add the finishing touch for any style of fashion. These Pearls will make a unique gift as pearls are unique among gemstones because they don't arise from the depths of the earth but from the sea. They are an ideal gift for the 30th Anniversary which is known as the Pearl Anniversary. Approximately 3x3mm.