Whether Gucci necklace is worth buying depends on personal preference and budget. Gucci is a famous luxury brand, and its necklaces are usually expensive. However, Gucci necklaces are exquisite in workmanship and pass the quality inspection, which conforms to the public's aesthetics, and some styles have certain collection value.

Therefore, if your budget allows, and you like Gucci's design and quality, then buying a Gucci necklace is a good choice. However, if you are not particularly interested in luxury brands or have a limited budget, you can also consider necklaces of other brands.

In short, buying jewelry is a personal decision and needs to be done according to your own preferences and budget.