South Sea cultured pearls: big South Sea cultured pearls (around 13 mm), farmed in Australia, Indonesia, as well as the Philippines, range in color from white to black. they might have a perfectly spherical to a bit https://www.ebay.com.au/str/pacificpearlsinternational?mkcid=1&mkrid=705-53470-19255-0&siteid=15&campid=5339072275&customid=&toolid=10001&mkevt=1