Gold Jewellery
Jewellery is suitable for those who want to benefit from the design and personal use or gifts. But note that making charges are generally higher than for bars.
Gold Bars
Bars are closer to direct saving and are generally clearer in pricing with lower making charges than many jewellery pieces, which is why those focused on preserving value prefer them.
Ease of Reselling
In many cases bars are easier to compare and sell due to the clarity of weight and karat, but this doesn't mean jewellery is bad — it depends on the quality of the piece, the shop, and demand for it.
Define Your Goal First
If you want to wear it or give it as a gift, jewellery makes sense. If your goal is closer to saving or building a gold reserve, bars are generally the more suitable choice.