South Sea cultured pearls: Large South Sea cultured pearls (up to thirteen mm), farmed in Australia, Indonesia, and also the Philippines, assortment in color from white to black. they are able to have a superbly round https://www.ebay.com.au/str/pacificpearlsinternational?mkcid=1&mkrid=705-53470-19255-0&siteid=15&campid=5339072275&customid=&toolid=10001&mkevt=1