Genuine Mikimoto Brooch and Earring Set. Brooch consists of (11) 7 mm Mikimoto Pearls in a 14k yellow gold setting measuring 50 mm long by 24 mm wide. Matching earring set consists of (6) 6.5 mm Mikimoto Pearls in each earring (12 total) set in 14k gold and measuring 22 mm long by 15 mm wide. The brooch weighs 6.6 grams and the earrings weigh 6.0 grams.