First you past the tomb riders.
Then click inventory (the bag in the corner) and get the cell phone click 555-6789.
The boss will go look for his phone and tomb riders will go away.
Then go to bosses bag and click on it you will get the ring that fits in ring in the sphinx.
The ring will shine and open the door.
The tomb is inside the Sphinx at Giza, on Nabooti Island. (see related question)
its in the tomb in giza.
No cowboys on Nabooti Island. The masked men at Giza are tomb robbers. Get the blue lily from Blue Nile falls and swap it for a turban at Nabooti. Wear it when you go to Giza.
The Sphinx is at Giza on Nabooti Island (Egypt is in north Africa). The blue jewel is in the tomb beneath the Sphinx.
It is in the tomb of Giza after you go up the falling floors
The blue jewel for Nabooti is in the tomb inside the Sphinx at Giza. (see related question for solution)
Vince is Vince Graves, fortune hunter and tomb robber. He is looting the tomb of the Sphinx at Giza on Nabooti Island. He has the Moonstone in his bag, and if you get it, you can open the Sphinx. (see related question)
The mummy chamber hides the Blue Jewel. (see related question)
The Blue Jewel is in the tomb, and you must complete four challenges to reach it. (see the related questions)
The blue JEWEL, one of the five missing JEWELS on Nabooti Island, is located inside the tomb in the Sphinx at Giza. (see related question)
You wear it as a disguise at Giza, where the diggers (and Vince) mistake you for one of their fellow tomb robbers.
It's in Giza but make sure you wear a tomb rider mask. You can get it at the store in Nabooti.