Stabilized Hubei Turquoise Cabochon no backing.
#1 cabochon is 14 cts. ( 23.61 mm long X 14.74 mm wide )
#2 cabochon is 14 cts. ( 23.48 mm long X 13.77 mm wide )
#3 cabochon is 17.5 cts. ( 21.69 mm X 13.74 mm )
#4 cabochon is 14 cts. ( 20.53 mm long X 16.95 mm wide )
#5 cabochon is 17 cts. ( 23.22 mm long X 17.11 mm wide )
#6 cabochon is 15 cts. ( 25.07 mm long X 17.84 mm wide )