5# corunudm RUBY top quality natrual cut in stock

Material:Synthetic corundum

Shape:pear

Color:5#

size:        6×8mm, Any size is available

Quality Provide:AAA,AAAAA

Sample Lead Time:1-2 days

Delivery Time:2 days for stock, About 10-15 days for production

Payment:Paypal, T/T, Western Union,

Shipment:DHL, FEDEX, TNT, UPS, EMS

Shapes provide:

Round/ Pear/ Rectangle/ Octangle/ Square/ Heart/

Cushion/Marquise/ Triangle/ Oval/ Drop(Customize are welcome

* Hardness: 9

* Refraction Index: 1.76

* Density: 3.99 g/cm³

* Melting Point: 2050 c°

* Wax Casting: Yes