Stabilized Hubei Turquoise Cabochon no backing.
#1 cabochon is 19.5 cts. ( 24.95 mm long X 19.16 mm wide )
#2 cabochon is 16.5 cts. ( 24.64 mm long X 19.95 mm wide )
#3 cabochon is 22 cts. ( 24.78 mm long X 20.53 mm wide )
#4 cabochon is 19 cts. ( 27.98 mm long X 17.65 mm wide )
#5 cabochon is 19 cts. ( 23.68 mm long X 18.18 mm wide )