South Sea cultured pearls: significant South Sea cultured pearls (nearly thirteen mm), farmed in Australia, Indonesia, and the Philippines, assortment in shade from white to black. they could have a perfectly spherical https://www.ebay.com.au/str/pacificpearlsinternational?mkcid=1&mkrid=705-53470-19255-0&siteid=15&campid=5339072275&customid=&toolid=10001&mkevt=1