There are no jewels on the Safari. You get the hardhat for the Diamond Mines.
There is no jewel on the Safari. Completing the photos gives you the hardhat you need for the Diamond Mines.
No. But you need the hardhat from Big Zeke to get the White Jewel at the Diamond Mines.
When you complete the Safari on Nabooti island, Big Zeke gives you his old Hardhat. You can use this to enter the Diamond Mine. (see related question)
There are no animals in the Diamond Mine -- they are on the Safari. (You have to do it first to get the hardhat to enter the Diamond Mine.)(see the related question below)
The "diamond" or White Jewel is in the Diamond Mine. The five "Nabooti Jewels" are scattered around Africa, at five locations that also require you to visit the 6th (Safari) and the starting point (Nabooti). (see the related questions for each solution)
Zeke, operator of the Safari, will give it to you if you take some photographs for him.
You get a hardhat from Big Zeke when you complete the Safari. You need a helmet to enter the Diamond Mine.
You buy a camera at Nabooti to use on the Safari.
The diamond mines are in South Africa, at the bottom on the map. At Nabooti island, accept the jewel quest to get a map. The airplane will fly you to the 6 other locations on the map of Africa : Giza in the north -- Blue Nile Falls, Mountains of the Moon, Kaya Forests, and the Safari in the west -- and the Diamond Mines in the south. Each location except the Safari has one of the jewels.
Animal pictures are taken at the SAFARI on Nabooti Island. (see related questions)
Swap the nugget at Nabooti to get a camera for the Safari.
There isn't a jewel in the Safari on Nabooti Island. You need to take seven good photos of animals for Zeke in order to get the hard hat needed in the diamond mine.