Vintage Earrings Mid-Century 3.93 Oval Cut Aquamarine & .31 Round Brilliant Cut Diamonds in 14k Yellow GoldA non traditional look for your everyday staple earring, this pair of Aquamarine and diamond earrings will really turn heads. From the Mid Century Era, these earrings have 3. 93 carats of oval cut Aquamarines which are surrounded by a fine halo of prong set diamonds. The Aquamarine are of a fine quality having a rich blue tone to them. These earring are set in 14 karat gold and have a fixed post with friction backs.