I saw your listing on eBay (where I searched to find something similar to see if the number 769 meant anything other than perhaps an item number.) You are selling a graduated, vintage strand of akoya pearls.
For anyone interested, the item number is 261117269928 and there are lots more photos.
Looking at the eBay photos, I see nice luster and overall good surface, but I also see a few off-round pearls and some flaws. Some of the pearls in the eBay photos show a bit of grime near the drill holes, especially near the clasp end, and of course it needs to be restrung.
I think you ought to add close-up photos of the flaws so that the buyer doesn't have unhappy surprises. This is pretty standard advice for people selling vintage china and I think I'd want to do it for pearls too, especially as you are not taking returns. Personally I think $1000 is an optimistic asking price, but you are taking offers, and you can always relist lower if you find it to be necessary.
Good luck! It's too bad it has to be sold. The clasp is pretty!
Edit: I found a completed listing of a double strand with a similar 14K while gold pearl clasp, but there is no mention of the number 769: item number 130758074025