I found like 50 pairs using rethread. Although this is the beta version and the current live version doesn’t have sunglasses in search. In the meantime here are some I found using it! :

https://poshmark.com/listing/Tom-Ford-glasses-643eb6a5932a8a76e6d5fa5f

https://www.therealreal.com/products/women/accessories/eyeglasses/garrett-leight-round-eyeglasses-ht3rh

https://www.amazon.com/Dolce-Gabbana-DG4274-Sunglasses-Gradient/dp/B017AFW5EQ