Sotheby’s is selling a pair of colored-diamond earrings at its upcoming auction in Hong Kong. The lot, offered without reserve, features a pear-shaped, 2.08-carat light-pink stone and a pear-shaped, 2.21-carat, very-light-pink, VVS1-clarity diamond, decorated with brilliant-cut diamonds of pink tint as well as kite-shaped ones. The surmounts contain brilliant-cut, very-faint-pink and very-light-pink diamonds. The earrings will carry a high estim…