■ Product Name: Precious Opal Ring ■ Product Weight: Approximately 2.2g ■ Product Size: Size: No. 13 【Opal (蛋白石)】 Opal, the birthstone for October, is considered a stone of good fortune with a very bright energy among many stones. The rainbow-colored brilliance is called "play of color," and it is said that the regularly arranged spherical particles that make it up cause light interference when light hits them, creating a fantastic shine. There are various groups of opal, but they are mainly classified into two types, and those with the above-mentioned play of color are called precious opal. ＼＼Bulk purchase welcome／／ We will discount 200 yen per item from the second item when bundled. The photos are of the actual product, but the color and texture may differ slightly from the actual product depending on the lighting, light conditions, weather, time of day, monitor, etc. Please note that natural stones may have inclusions (impurities such as other minerals, liquids, gases, cracks, and cloudiness within the crystal), so please check and judge from the photos. Also, to prevent substitution and mischief, we do not accept returns, refunds, or exchanges for gemstones and branded items for any reason, so please purchase with your understanding. Usually, small items will be shipped via Yu-Packet Post Mini (anonymous delivery). Please note that we are not responsible for any problems during shipping. Also, please read the precautions listed in the profile and only purchase if you agree to them.