18k gold inlaid with blue gem ring is collectible, and 18K gold jewelry is collectible if it is a limited-edition, joint-name and high-end customized style of top international luxury brands. On the other hand, ordinary 18K gold jewelry is not worth recycling, so it is better to collect it. 18K gold can be very exquisite and gorgeous in workmanship and modeling, which is incomparable to gold. The preservation of gold is due to raw materials, and the preservation of 18K gold is the overall artistic value of jewelry. 18k gold is still very valuable and belongs to a kind of gold. If you buy jewelry, 18K gold is also worth recommending. Luxury brands sell any 18K gold jewelry to tens of thousands or even hundreds of thousands just because some diamonds and precious stones are embedded in it. But in the whole market, no gold shop dares to recycle these gems and diamonds, because only experienced jewelry appraisers can determine whether your gems are real or not through professional equipment, while the average gold shop owner only recycles 18K gold. Moreover, most of these precious stones and diamonds are broken diamonds, which are relatively worthless diamonds. Although the number is large, their value is very low. This is why people say that 18K gold is worthless, because the inlaid diamonds and precious stones have a premium.