How many g is 30 ct?
30 ct = 6 g
It is 6 g, so saying 6 g is fine — rounding is within 0.5%.
And how many ct is 30 g?
30 g = 150 ct
Formula: g = ct × 0.2
ct to g around this value
12 ct2.4g
14 ct2.8g
16 ct3.2g
18 ct3.6g
20 ct4g
22 ct4.4g
24 ct4.8g
26 ct5.2g
28 ct5.6g
30 ct6g
32 ct6.4g
34 ct6.8g
36 ct7.2g
38 ct7.6g
40 ct8g
42 ct8.4g
44 ct8.8g
46 ct9.2g
48 ct9.6g
50 ct10g