Shylock conned by Tubal?

There’s an interesting detail in the recent Radford movie production of Merchant: Shylock’s daughter, towards the end, is shown in possession of her ring – the same ring, presumably, which Tubal had told Shylock she’d exchanged for a monkey.

This seems to indicate that Tubal may have deliberately misled Shylock, which would mean that Shylock was betrayed not only by Christian injustice but also by his own community.