Vintage 14K Gold Lightning Ridge Black Opal Earrings

OMG Gorgeous 14K Yellow Gold 4.24ct. Lightning Ridge Black Opal Earrings. Each earring contains two opal slabs each flush set in a closed back setting. Each opal (4) are cut in a baguette shaped cabochon measuring 9.25mm l x 4.35mm w x 4.23mm t, with a total weight of 4.24 carats. The opals have a bright, blue-green fire. The lever back is marked 14k, but it's difficult to make out. Tested and appraised by a jeweler. 7.09 dwt.  Appraised value is $2501.76! In excellent condition.