topaz swiss blue round

Stone name: topaz Swiss blue
Origin: Brazil
Shape / cutting: round, faceted, checkerboard
Size mm – average ct:
– 2,0 mm – 0,05 ct
– 3,0 mm – 0,14 ct
– 4,0 mm – 0,34 ct
– 5,0 mm – 0,6 ct
– 6,0 mm – 1,0 ct
– 7,0 mm – 1,6 ct
– 8,0 mm – 2,4 ct
– 9,0 mm – 3,3 ct
– 10 mm – 4,7 ct
– 11 mm – 6,0 ct
– 12 mm – 7,5 ct

Treatment: natural, irradiated

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