sapphiresynthetic corundum, sapphire blue. Subgroups sapphire nameØtypeType of cutPUitem No.sapphire5,0x2,5 mmsyntheticBaguette cut1493412sapphire6,0x3,0 mmsyntheticBaguette cut1493415sapphire6,0x4,0 mmsyntheticBaguette cut1493416sapphire7,0x5,0 mmsyntheticBaguette cut1493417