Corundum (Sapphire). [Size] Approximately 3.5 x 2 x 1 cm [Weight] Approximately 17g Notes 1. Depending on the monitor, the color of the image and the actual product may appear different (some products may be photographed in a wet state). Also, please refrain from bidding if you are particular about details such as cracks, scratches, and polishing marks, or if you are nervous. 2. Regarding the items for sale, with the exception of some products, we do not perform identification or appraisal. We list items based on information from the supplier (purchase source) and self-judgment, and do not guarantee authenticity. Also, please be aware that some minerals are difficult to identify, and there may be incorrect descriptions in the product description or title. 3. When shipping the product, we will pack it properly and ship it, but in the event of an accident (loss or damage, etc.) during delivery, we will respond with compensation from each delivery company. We do not provide any compensation, so please be aware. 4. The product is also listed on other sites. Please note that we may cancel your order depending on the timing of your purchase.