Species: Spinel Variety: Cobalt Blue Spinel Weight: 1.41 ct Measurements: 7.54 x 4.62 x 3.60 mm... Color: Green Transparency: Eye Clean Cut: Octagon Treatment: No-Treatment Origin (if specified in the report): Tanzania Laboratory Report No: 174704 Conditions: General Description: Cobalt spinel is a rare, deep blue gemstone that belongs to the spinel mineral group. Its vibrant blue color is due to the presence of cobalt ions, which differentiate it from other blue gemstones. Cobalt spinel is known for its excellent hardness, durability, and intense color, making it highly prized in fine jewelry. Although spinel can be found in various colors, cobalt spinel’s rich blue hue is among the most sought-after. It is often found in smaller sizes and is considered a collector's gem due to its rarity. Customs and taxes: Your country of residence may apply extra customs duties and import taxes. Extra VAT calculations are based on the tax system of your country. We cannot be held responsible for any extra expense incurred for importing items into the purchaser's country of residence. *Please note that the buyer is always responsible for customs duties on international shipments. If you want to know the detailed amount, please contact the tax office in your area. Shipping: Expedited shipping worldwide. Shipping is insured with a tracking number. We will not accept to declare a lower value of the items or "GIFT" on the parcel. If the winning bidder decides to cancel / withdraw they will bear risk, cost of all shipping