From our Blossom Collection, classic OE Nesting Gem Diamonds lead down to sustainably farmed Australian Pearls. ? These Baroque Australian South Sea pearls are cultured with the most minimal disruption to the natural environment possible. The wild oysters are hand collected at the bottom of the ocean with the most minimal impact??they do not use the popular and degrading ??by-catch?? method. The Marine Stewardship Council (MSC) is an independent, non-profit, science-based organization that assess the sustainability of wild marine industries. These Paspaley Pearls have received the MSC certification.