Stainless Steel Military Air Force Sapphire Mens Ring SIZE 8-13 TK414708 (10) Material: Stainless Steel Plating: High polished (no plating) Center Stone Type: Synthetic Synthetic Glass Center Stone Color: Sapphire Center Stone Size(approx): 12,10(mm Product Weight(approx): 19.60(g) - Center Stone Weight(approx): 4.61(ct.)