We are a crystal's factory in China, We manufacture and machining of the corundum, white corundum, blue corundum, zircon, spinel, crystal materials and Loose.Description:Mainly applied to ornaments and industry such as jewelry, watches, instrument bearings, rings, necklaces and so on.The Ruby material is aluminum oxide , the diameter is more than 18mm(18mm-26mm), the length is more than 180mm(180-220mm).The grade: AB, C and F for Ruby material(red corundum material).The corundum raw material color: 1.25#,1.5#,2#,3#,4#,5#,7#,8#,12#,32#,33#,34#,35#Loose gemstone: We offer all size all color and all shape of loose gemstone(ruby,sapphire,CZ,Crystal), include round heart Oval and so on, all machine cut; quality: A to 5A.Price: The factory direct price, please contact us.Packaging?Vacuum packed and into the carton box to prevent rubDelivery?ePacket, EMS, TNT, DHL, FedEx, UPS, China Post Air Mail