Genuine Gem Stone King product. Directly from Gem Stone King New York headquarters with Yamato International courier takes about a week. If you buy directly from our store, you can rest assured that we have a lifetime warranty. (Please note that we cannot guarantee the **and other services to purchase from a free parallel importer. (Boasting over 115 years of history) Established in 1903 in Antwerp, Belgium Kingdom. Gem Stone King has been selling diamonds all over the world as one of the worlds leading diamond retailers. In the 20th century, there are many other natural stones other than diamonds, and in the United States it is considered the king of natural stones. 【Sell in 65 countries world】 You can find any gemstone you are looking for. Challenge the lowest prices in the world: We purchase directly from mines in the world, and control all of our products from design to production. This price can be achieved by purchasing and manufacturing for the global market without middlemen.