Sieve size’s
PCs/Carats | Sieve Size | Weight (Carat) | DIA (mm) |
1/333 | +0000-000 | 0.002 | 0.80-0.90 mm |
1/250 | +000-00 | 0.004 | 0.90-1.00 mm |
1/200 | +00-0 | 0.005 | 1.00-1.10 mm |
1/175 | +0-1 | 0.006 | 1.10-1.15 mm |
1/150 | +1-1.5 | 0.007 | 1.15-1.20 mm |
1/120 | +1.5-2 | 0.008 | 1.20-1.25 mm |
1/100 | +2-2.5 | 0.009 | 1.25-1.30 mm |
| +2.5-3 | 0.01 | 1.30-1.35 mm |
| +3-3.5 | 0.011 | 1.35-1.40 mm |
1/80 | +3.5-4 | 0.012 | 1.40-1.45 mm |
| +4-4.5 | 0.013 | 1.45-1.50 mm |
1/70 | +4.5-5 | 0.014 | 1.50-1.55 mm |
1/60 | +5-5.5 | 0.016 | 1.55-1.60 mm |
1/50 | +5.5-6 | 0.018 | 1.60-1.70 mm |
| +6-6.5 | 0.021 | 1.70-1.80 mm |
1/40 | +6.5-7 | 0.025 | 1.80-1.90 mm |
1/30 | +7-7.5 | 0.029 | 1.90-2.00 mm |
| +7.5-8 | 0.035 | 2.00-2.10 mm |
1/25 | +8-8.5 | 0.039 | 2.10-2.20 mm |
| +8.5-9 | 0.044 | 2.20-2.30 mm |
1/20 | +9-9.5 | 0.052 | 2.30-2.40 mm |
| +9.5-10 | 0.058 | 2.40-2.50 mm |
1/15 | +10-10.5 | 0.069 | 2.50-2.60 mm |
| +10.5-11 | 0.074 | 2.60-2.70 mm |
1/12 | +11-11.5 | 0.078 | 2.70-2.80 mm |
| +11.5-12 | 0.086 | 2.80-2.90 mm |
1/10 | +12-12.5 | 0.095 | 2.90-3.00 mm |
| +12.5-13 | 0.108 | 3.00-3.10 mm |
1/8 | +13-13.5 | 0.116 | 3.10-3.20 mm |
| +13.5-14 | 0.125 | 3.20-3.30 mm |
1/7 | +14-14.5 | 0.135 | 3.30-3.40 mm |
| +14.5-15 | 0.146 | 3.40-3.50 mm |
1/6 | +15-15.5 | 0.159 | 3.50-3.60 mm |
| +15.5-16 | 0.175 | 3.60-3.70 mm |
| +16.5-18 / ~3.8mm | 0.2 | ~3.80 mm |
| +18 / ~4.1mm | 0.25 | ~4.1 mm |
| ~4.5mm | 0.33 | ~4.5 mm |
| ~4.8mm | 0.4 | ~4.8 mm |
| ~5.2mm | 0.5 | ~5.2 mm |
| ~5.8mm | 0.75 | ~5.8 mm |
| 0.66-0.80 ct | 0.66-0.80 | ~5.6-6.0 mm |
| 0.81-0.99 ct | 0.81-0.99 | ~6.0-6.4 mm |
| 1.00-1.20 ct | 1.00-1.20 | ~6.4-6.8 mm |
| 1.20-1.49 ct | 1.20-1.49 | ~6.8-7.3 mm |
| 1.50-1.99 ct | 1.50-1.99 | ~7.3-8.1 mm |
| 2.00-2.49 ct | 2.00-2.49 | ~8.1-8.7 mm |
| 2.50-2.99 ct | 2.50-2.99 | ~8.7-9.2 mm |
| 3.00-3.99 ct | 3.00-3.99 | ~9.2-10.1 mm |
| 4.00-4.99 ct | 4.00-4.99 | ~10.1-10.7 mm |
| 5.00-5.99 ct | 5.00-5.99 | ~10.7-11.4 mm |
| 6.00-6.99 ct | 6.00-6.99 | ~11.4-12.0 mm |
| 7.00-7.99 ct | 7.00-7.99 | ~12.0-12.6 mm |
| 8.00-8.99 ct | 8.00-8.99 | ~12.6-13.2 mm |
| 9.00-9.99 ct | 9.00-9.99 | ~13.2-13.7 mm |
| 10.00 ct + | 10.00+ | ~13.7 mm+ |
ROUND |
MM SIZE | CARAT |
| |
0.08 | 0.002 |
1.00 | 0.01 |
1.12 | 0.01 |
1.15 | 0.01 |
1.25 | 0.01 |
1.30 | 0.01 |
1.50 | 0.02 |
1.75 | 0.02 |
1.80 | 0.03 |
2.00 | 0.03 |
2.25 | 0.05 |
2.50 | 0.06 |
2.75 | 0.08 |
3.00 | 0.11 |
3.25 | 0.14 |
3.50 | 0.17 |
3.75 | 0.21 |
4.00 | 0.25 |
4.25 | 0.28 |
4.50 | 0.36 |
4.75 | 0.42 |
5.00 | 0.49 |
5.25 | 0.56 |
5.50 | 0.66 |
5.75 | 0.76 |
6.00 | 0.84 |
6.25 | 0.93 |
6.50 | 1.03 |
6.75 | 1.24 |
7.00 | 1.28 |
7.25 | 1.49 |
7.50 | 1.67 |
7.75 | 1.75 |
8.00 | 2.04 |
8.25 | 2.11 |
8.50 | 2.43 |
8.75 | 2.55 |
9.00 | 2.75 |
9.25 | 3.05 |
9.50 | 3.35 |
9.75 | 3.61 |
10.00 | 3.87 |
10.25 | 4.16 |
10.50 | 4.41 |
10.75 | 4.57 |
11.00 | 4.91 |
11.25 | 5.49 |
11.50 | 5.85 |
12.00 | 6.84 |
12.25 | 7.26 |
12.50 | 7.36 |
12.75 | 7.52 |
13.00 | 8.51 |
13.5 | 9.53 |
14 | 10.19 |
15 | 12.89 |
16 | 16.06 |
BAGUETTE |
MM SIZE | CARAT |
| |
1.87*1.27 | 0.029 |
2.00*1.00 | 0.015 |
2.00*1.50 | 0.040 |
2.00*1.75 | 0.05 |
2.14*1.43 | 0.04 |
2.16*1.30 | 0.03 |
2.25*1.75 | 0.06 |
2.25*2.00 | 0.07 |
2.30*1.30 | 0.03 |
2.50*1.00 | 0.02 |
2.50*1.25 | 0.03 |
2.50*1.50 | 0.05 |
2.50*1.75 | 0.06 |
2.50*2.00 | 0.08 |
2.55*1.58 | 0.05 |
2.74*1.58 | 0.05 |
2.75*1.50 | 0.05 |
2.75*1.58 | 0.06 |
2.75*1.75 | 0.07 |
2.75*2.00 | 0.09 |
2.75*2.50 | 0.13 |
2.95*1.58 | 0.06 |
3.00*1.00 | 0.02 |
3.00*1.25 | 0.04 |
3.00*1.50 | 0.05 |
3.00*1.75 | 0.07 |
3.00*2.00 | 0.10 |
3.00*2.50 | 0.15 |
3.25*1.25 | 0.04 |
3.25*1.50 | 0.06 |
3.25*1.75 | 0.08 |
3.30*1.55 | 0.06 |
3.50*1.00 | 0.03 |
3.50*1.25 | 0.04 |
3.50*1.50 | 0.06 |
3.50*1.75 | 0.09 |
3.50*2.00 | 0.11 |
3.50*2.50 | 0.17 |
3.50*3.00 | 0.25 |
3.75*1.50 | 0.07 |
3.75*2.00 | 0.12 |
4.00*1.25 | 0.05 |
4.00*1.50 | 0.07 |
4.00*1.75 | 0.10 |
4.00*2.00 | 0.13 |
4.00*3.00 | 0.28 |
4.50*1.50 | 0.08 |
4.50*1.75 | 0.11 |
4.50*2.00 | 0.14 |
4.50*2.50 | 0.22 |
4.50*3.00 | 0.31 |
4.50*3.50 | 0.43 |
4.75*1.50 | 0.08 |
4.75*2.00 | 0.15 |
5.00*1.50 | 0.09 |
5.00*1.75 | 0.12 |
5.00*2.00 | 0.15 |
5.00*2.50 | 0.24 |
5.00*3.00 | 0.35 |
5.00*3.50 | 0.47 |
5.00*4.00 | 0.62 |
5.27*3.17 | 0.40 |
5.50*1.75 | 0.13 |
5.50*2.00 | 0.17 |
5.50*2.50 | 0.27 |
5.50*3.00 | 0.39 |
5.50*3.50 | 0.52 |
6.00*1.75 | 0.14 |
6.00*2.00 | 0.19 |
6.00*2.50 | 0.29 |
6.00*3.00 | 0.42 |
EMERALD |
MM SIZE | CARAT |
| |
3.00*2.00 | 0.08 |
3.15*2.25 | 0.11 |
3.25*2.35 | 0.12 |
3.50*2.00 | 0.10 |
3.70*2.65 | 0.17 |
3.70*2.65 | 0.18 |
4.00*2.00 | 0.12 |
4.00*2.85 | 0.24 |
4.00*3.00 | 0.25 |
4.05*2.90 | 0.23 |
4.35*3.05 | 0.28 |
4.50*3.20 | 0.33 |
4.90*3.50 | 0.44 |
5.00*3.00 | 0.33 |
5.40* 3.85 | 0.56 |
5.50*3.50 | 0.48 |
5.50*4.00 | 0.62 |
5.85* 4.20 | 0.74 |
6.00*4.00 | 0.69 |
6.50*4.50 | 0.94 |
6.50* 4.65 | 1.01 |
6.60* 4.70 | 1.05 |
7.00*4.00 | 0.80 |
7.00*5.00 | 1.06 |
7.25*5.25 | 1.24 |
7.50*5.50 | 1.45 |
8.00*5.00 | 1.32 |
8.00*6.00 | 1.74 |
8.50* 6.10 | 2.25 |
8.50*6.50 | 2.17 |
9.00*7.00 | 2.62 |
9.50* 6.80 | 3.13 |
9.50*7.50 | 3.21 |
10.00*7.00 | 3.45 |
10.00*8.00 | 4.38 |
11.00*9.00 | 6.07 |
12.00*8.00 | 5.44 |
12.00*10.00 | 8.08 |
MARQUISE | PEAR | OVAL |
MM SIZE | CARAT | MM SIZE | CARAT | MM SIZE | CARAT |
| | | | | |
3.00*1.50 | 0.03 | 2.50*1.50 | 0.02 | 2.50*1.50 | 0.02 |
3.50*1.75 | 0.04 | 3.00*2.00 | 0.05 | 3.00*2.00 | 0.05 |
3.50*2.00 | 0.05 | 3.40*2.30 | 0.07 | 3.05*2.30 | 0.06 |
3.60*1.60 | 0.04 | 4.00*2.50 | 0.10 | 3.50*2.50 | 0.08 |
3.60*2.10 | 0.06 | 4.00*3.00 | 0.14 | 3.60*270 | 0.09 |
3.75*1.75 | 0.05 | 4.55*3.05 | 0.16 | 3.70*2.70 | 0.10 |
4.00*2.00 | 0.07 | 4.60*3.60 | 0.23 | 3.80*2.70 | 0.10 |
4.25*2.25 | 0.08 | 4.80*3.80 | 0.26 | 4.00*3.00 | 0.13 |
4.60*2.60 | 0.11 | 5.00*3.00 | 0.17 | 4.35*3.10 | 0.17 |
5.00*2.50 | 0.12 | 5.00*4.00 | 0.31 | 4.00*2.50 | 0.10 |
5.00*3.00 | 0.17 | 5.30*3.30 | 0.24 | 4.40*3.40 | 0.16 |
5.50*2.75 | 0.16 | 5.36*3.56 | 0.27 | 4.50*3.50 | 0.21 |
5.50*3.00 | 0.19 | 5.60*4.60 | 0.46 | 4.65*3.25 | 0.20 |
5.76*2.65 | 0.15 | 5.85*3.60 | 0.30 | 4.70*3.30 | 0.20 |
5.99*2.38 | 0.12 | 6.00*3.75 | 0.34 | 4.75*3.40 | 0.22 |
6.00*3.00 | 0.21 | 6.00*4.00 | 0.37 | 4.70*3.60 | 0.25 |
6.20*3.10 | 0.23 | 6.40*4.00 | 0.40 | 4.80*3.45 | 0.22 |
6.28*2.66 | 0.16 | 6.50*4.05 | 0.43 | 5.00*3.00 | 0.18 |
6.50*3.00 | 0.23 | 6.50*4.50 | 0.51 | 5.00*4.00 | 0.31 |
6.60*3.60 | 0.30 | 7.00*4.45 | 0.54 | 5.00*3.50 | 0.25 |
6.79*3.18 | 0.25 | 7.00*5.00 | 0.68 | 5.15*3.70 | 0.27 |
7.00*3.00 | 0.24 | 7.10*4.45 | 0.57 | 5.20*3.50 | 0.25 |
7.00*3.50 | 0.33 | 7.65*5.10 | 0.78 | 5.10*3.60 | 0.25 |
7.00*4.00 | 0.43 | 7.90* 4.90 | 0.76 | 5.20* 3.70 | 0.29 |
7.10* 3.55 | 0.35 | 8.00*5.00 | 0.81 | 5.50*3.50 | 0.26 |
7.33*2.93 | 0.23 | 8.00*6.00 | 1.25 | 5.50*3.80 | 0.31 |
7.50*3.50 | 0.35 | 8.45*5.60 | 1.04 | 5.50*3.90 | 0.33 |
7.60*3.80 | 0.43 | 8.50*5.30 | 0.96 | 5.70*3.80 | 0.32 |
8.00*4.00 | 0.50 | 8.50*5.50 | 1.08 | 5.70*4.10 | 0.39 |
8.30*4.15 | 0.57 | 8.60*5.45 | 1.03 | 5.90*4.30 | 0.42 |
8.30*4.30 | 0.58 | 9.00*6.00 | 1.33 | 6.00*4.00 | 0.37 |
9.00*4.50 | 0.71 | 9.00*7.00 | 1.75 | 6.00*5.00 | 0.58 |
9.00*5.00 | 0.76 | 10.00*6.00 | 1.71 | 6.20*4.40 | 0.48 |
9.30* 4.65 | 0.79 | 10.00*7.00 | 1.95 | 6.40*4.60 | 0.52 |
9.50*2.00 | 0.85 | 10.00*8.00 | 2.55 | 6.50*4.50 | 0.51 |
10.00*5.00 | 0.95 | 11.00*7.50 | 2.44 | 6.90*4.90 | 0.66 |
10.40* 5.20 | 1.10 | 11.00*8.00 | 2.78 | 7.00*5.00 | 0.68 |
11.00*5.50 | 1.25 | 11.10 x 6.90 | 2.12 | 7.40* 5.30 | 0.83 |
11.50*6.00 | 1.33 | 12.00*7.00 | 2.32 | 7.50*5.50 | 0.89 |
12.00*6.00 | 1.62 | 12.00*8.00 | 3.00 | 8.00*5.70 | 1.04 |
12.00*6.50 | 1.71 | 12.00*9.00 | 3.83 | 8.00*6.00 | 1.12 |
13.00*6.50 | 2.11 | 12.70* 7.90 | 3.17 | 8.50*6.50 | 1.46 |
13.00* 6.50 | 2.15 | 13.00*8.00 | 3.27 | 9.00*6.00 | 1.27 |
14.00*7.00 | 2.48 | 14.00*8.00 | 3.47 | 9.00*7.00 | 1.86 |
14.00*8.00 | 3.00 | 13.00*9.00 | 4.11 | 10.00*7.00 | 1.91 |
15.00*7.50 | 3.09 | 14.00*9.00 | 4.25 | 10.00*8.00 | 2.54 |
15.00*7.00 | 3.12 | 15.00*9.00 | 5.06 | 10.50*8.50 | 2.88 |
15.00*7.50 | 3.29 | 14.00*10.00 | 5.41 | 11.00*9.00 | 3.85 |
15.00*8.00 | 3.44 | 13.00*11.00 | 5.65 | 12.00*8.00 | 2.99 |
16.00*8.00 | 3.86 | 15.00*10.00 | 5.75 | 12.00*10.00 | 5.05 |
17.00*8.50 | 4.88 | 15.00*11.00 | 7.36 | 14.00*10.00 | 5.81 |
17.50*10.00 | 5.50 | 16.00*9.00 | 5.86 | 13.00*11.00 | 6.05 |
20.00*8.00 | 7.08 | 16.00*10.00 | 6.27 | 14.00*12.00 | 8.21 |
20.00*10.00 | 7.94 | 16.00*12.00 | 8.99 | 15.00*12.00 | 8.76 |
20.00*11.00 | 9.50 | 17.00*10.00 | 6.46 | 16.00*12.00 | 9.32 |
| | 18.00*11.00 | 8.14 | 16.00*14.00 | 11.88 |
| | 18.00*12.00 | 9.35 | 18.00*13.00 | 12.86 |
| | 18.00*13.00 | 10.21 | 20.00*15.00 | 14.96 |
TAPPER | PRINCESS | RADIANT |
MM SIZE | CARAT | MM SIZE | CARAT | MM SIZE | CARAT |
| | | | | |
3.00*1.50 | 0.04 | 1.50 | 0.02 | 2.50*2.50 | 0.09 |
3.50*3.20 | 0.19 | 1.75 | 0.03 | 3.00*2.00 | 0.08 |
4.00*2.00 | 0.08 | 2.00 | 0.047 | 3.00*3.00 | 0.15 |
4.00*2.40 | 0.12 | 2.25 | 0.067 | 3.50*2.50 | 0.11 |
4.00*2.80 | 0.16 | 2.50 | 0.092 | 4.00*3.00 | 0.21 |
4.00*3.15 | 0.22 | 2.75 | 0.123 | 4.00*4.00 | 0.43 |
4.20*3.30 | 0.25 | 3.00 | 0.159 | 4.50*3.00 | 0.23 |
4.30*3.00 | 0.21 | 3.25 | 0.2 | 4.50*3.50 | 0.34 |
4.50*3.00 | 0.21 | 3.50 | 0.25 | 4.90*3.40 | 0.38 |
4.60*3.40 | 0.28 | 3.75 | 0.31 | 5.00*3.00 | 0.29 |
5.00*2.20 | 0.125 | 4.00 | 0.377 | 5.40*3.80 | 0.45 |
5.00*2.75 | 0.21 | 4.25 | 0.45 | 5.60*3.60 | 0.50 |
5.00*3.00 | 0.24 | 4.35 | 0.48 | 6.00*3.00 | 0.35 |
5.00*3.80 | 0.36 | 4.40 | 0.5 | 6.00*4.00 | 0.61 |
5.50*3.30 | 0.31 | 4.50 | 0.537 | 6.00*5.00 | 0.96 |
5.20*3.50 | 0.32 | 4.75 | 0.64 | 6.50*4.50 | 0.85 |
5.45*2.85 | 0.23 | 5.00 | 0.71 | 7.00*5.00 | 1.14 |
5.50*3.50 | 0.37 | 5.25 | 0.75 | 7.25*5.25 | 1.24 |
5.50*3.80 | 0.41 | 5.50 | 0.99 | 7.50*5.50 | 1.47 |
6.00*3.50 | 0.37 | 5.75 | 1.11 | 8.00*6.00 | 1.74 |
6.00*400 | 0.51 | 6.00 | 1.24 | 8.50*6.50 | 2.25 |
6.00*4.50 | 0.65 | 6.25 | 1.39 | 9.00*7.00 | 2.62 |
6.40*4.40 | 0.65 | 6.50 | 1.59 | 9.50*7.50 | 3.18 |
7.00*3.50 | 0.44 | 6.75 | 1.75 | 10.00*7.00 | 3.31 |
7.28*3.76 | 0.52 | 7.00 | 1.96 | 10.00*8.00 | 3.49 |
7.75*4.00 | 0.64 | 7.25 | 2.01 | 11.00*9.00 | 5.05 |
8.27*4.27 | 0.77 | 7.50 | 2.4 | 11.50*10.00 | 6.45 |
| | 7.75 | 2.74 | 12.00*9.00 | 6.06 |
| | 8.00 | 3.01 | 12.00*10.00 | 6.79 |
| | 8.25 | 3.24 | 13.00*9.00 | 6.54 |
| | 8.50 | 3.67 | 13.00*11.00 | 9.33 |
| | 8.75 | 4.1 | 13.50*11.50 | 10.19 |
| | 9.00 | 4.12 | 14.00*10.00 | 8.47 |
| | 9.50 | 5.09 | 14.00*12.00 | 12.14 |
| | 9.75 | 5.36 | 15.00*11.00 | 11.48 |
| | 10.00 | 5.62 | 16.00*12.00 | 14.22 |
| | 10.25 | 5.76 | | |
| | 10.50 | 5.99 | | |
| | 11.00 | 7.44 | | |
| | 11.50 | 9.44 | | |
| | 12.00 | 9.52 | | |
CUSHION | TRILLION |
MM SIZE | CARAT | MM SIZE | CARAT |
| | | |
2.30 | 0.08 | 2.75 | 0.07 |
2.40 | 0.08 | 3.00 | 0.09 |
2.50 | 0.10 | 3.25 | 0.11 |
3.00 | 0.16 | 3.50 | 0.14 |
3.45 | 0.22 | 3.75 | 0.17 |
3.60 | 0.25 | 4.00 | 0.21 |
4.00 | 0.36 | 4.25 | 0.25 |
4.50 | 0.50 | 4.50 | 0.30 |
4.80 | 0.66 | 4.75 | 0.35 |
5.00 | 0.71 | 5.00 | 0.41 |
5.25 | 0.82 | 5.25 | 0.47 |
5.40 | 0.85 | 5.50 | 0.55 |
5.50 | 0.94 | 5.75 | 0.62 |
5.75 | 1.08 | 6.00 | 0.70 |
6.00 | 1.09 | 6.25 | 0.80 |
6.25 | 1.15 | 6.50 | 0.91 |
6.50 | 1.25 | 6.75 | 0.98 |
6.75 | 1.45 | 7.00 | 1.10 |
7.00 | 2.00 | 7.50 | 1.21 |
7.50 | 2.50 | 8.00 | 1.75 |
8.00 | 3.01 | 9.00 | 2.35 |
8.50 | 3.62 | 11.00 | 3.66 |
9.00 | 4.30 | 12.00 | 4.90 |
9.50 | 5.05 | 13.00 | 6.42 |
10.00 | 5.90 | 15.00 | 9.00 |
10.50 | 6.82 | | |
11.00 | 7.84 | | |
11.50 | 8.96 | | |
12.00 | 10.19 | | |
13.00 | 8.51 | | |
14.00 | 10.49 | | |
15.00 | 12.89 | | |
“Some information may contain errors. Please verify the details and let us know if you find any discrepancies by contacting us at [email protected].”