Description:Tpye: Loose Gemstone Material: CorundumColor: BlueShape/Cut: Oval/UnHeatedSize: About  9 x11mm/ 035"x 0.43"Weight: About 3gUses: For jewellery processing of rings、 necklaces、 bracelets Package Includes:1 x Loose Gemstone Notice:1.Due to the difference between different monitors、 the picture may not reflect the actual color of the item. Please consider this before the purchase.2.Please allow slight deviation for the measurement data.