There's always the odd find where you expect it the least... and this seems to be the rule on the net.
Estatejewels holds signed rather than antiques pieces, but I would not expect larger Cartier rubies (down that link) or this:
I don't know how to clasify the stock at Ekatijewelry but if someone cared for a deco emerald necklace, they found a nice one to dislay:
Authentic Jewelry does not keep shop on the net (only an Ebay list) with some beautiful things. There are some large, stryking pieces there and among which a casual berry necklace this left an impression. Oh well...
Btw, What happened with the bracelet in the Live Auctions?