@champagne_gem: “The Blue Moon of Josephine” 12.03ct fancy vivid blue type IIb cushion-cut diamond sold for $48 million in 2015 at Sotheby’s! #cushioncut #bluediamond #cushioncutdiamond #bluemoon #rarediamonds💙 #engagementring #diamondring #diamond #highjewelry #yourdailydoseofsparkle #champagnegem