Natural London Blue Stone 12.5 carat ring handmade in Nepal 925 sterling silver

⭐️⭐️Remarks⭐️⭐️ *The products are already in Taiwan. Taiwanese customers do not need to pass the real-name authentication. The products will be shipped by the Taiwan Post Office 1-2 days after placing the order and checking out. 🉐️The products in the design museum have complete after-sales service. If you have any questions, you can contact the customer service in the museum. Size Description- Stone size: about 12x17mm/12.5 carat Ring circumference: movable/adjustable ring circumference Material Description- Natural London blue Stone, the whole ring is made of 925 sterling silver, and the black part is specially vulcanized. Q: What is the common “vulcanization treatment” on Nepali jewelry? A: In fact, when Silver jewelry turns black, "oxidation" is a common folk saying. Oxidation refers to the interaction between substances and oxygen. However, the blackening of Silver(jewelry) is due to the interaction with "sulfur" in the air, so the surface of the Silver(jewelry) The black substance (may be brown, Brown or Brown brown), this is "silver Silver". Generally speaking, Silver(jewelry) will turn black and lose its luster if it is not properly maintained, so the correct name should be "sulfide". It is caused by the reaction of hydrogen sulfide in the air or sulfur dioxide in the water, so sulfide is formed on the surface of the Silver(jewelry). Silver. In the craftsmanship of Nepalese Silver jewelry, some special "vulcanization" treatment is performed (it looks dark or old), in order to add the characteristics of a craft! If you don't like it, you can try using a soft brush dipped in toothpaste and gently scrubbing it several times to remove the deliberately vulcanized parts of the jewelry. Product contains- Rings, jewelry boxes, Silver polishing cloths, PVC jewelry storage bags ❤️Special note: Nairi was established in 2017. Although there is no physical store in Taiwan, there is a physical store in Nepal. Welcome to inquire about all kinds of high-end jewelry (925 sterling silver, karat gold, pure gold) and Gemstone, and you can choose in person. The accessories on the shelves all come with after-sales service, can be accompanied by international certificates, and also support various tests. 💫Nairy’s special instructions: When designing jewelry with natural stones, we try our best not to harm the natural Gemstone themselves. However, because they are all handmade, there is a certain chance that the Gemstone will be accidentally damaged when placing Gemstone . Sometimes they are visible to the naked eye, and sometimes they are completely damaged. can not tell. Please confirm before purchasing that you can accept the "possible" imperfections of these accessories before proceeding to checkout! (Most natural stones themselves will have natural crystal structures or cracks. Please also ask or search for relevant information before purchasing😊) ■Shipping instructions Nellie's products are all shipped from Nepal, but in order to save you the international shipping fee, if your delivery address is in an Asian country, we will consolidate the orders once a week and send the products to the Taiwan studio, and then our colleagues in Taiwan will Have the item shipped to you.