Size & Weight Charts


Estimated Weight

Oval / Pear / Octagon / Navette / Round / Square / Heart / Trillion

Round
Pear
 
GEMSTONE
2mm
3mm
4mm
5mm
6mm
7mm
8mm
10mm
5/3
6/4
7/5
8/5
9/6
10/7
13/8
14/10
15/10
Amethyst / Citrine
.04
.10
.20
.40
.70
1.30
1.80
3.30
.20
.35
.65
.85
1.25
1.70
4.00
5.00
5.35
Aquamarine
.04
.10
.25
.45
.75
1.60
2.40
3.50
.20
.35
.65
.90
1.30
1.85
4.20
5.60
5.20
Diamonds
.04
.10
.23
.47
.90
1.35
1.90
4.23
.25
.50
.75
1.00
1.50
2.00
3.50
5.00
 
Emerald
.04
.12
.27
.48
.80
1.70
2.50
6.10
.25
.45
.70
1.05
1.70
2.60
4.15
6.10
 
Garnet / Rhodolite
.05
.13
.30
.60
1.00
1.60
2.50
5.75
.25
.40
1.00
1.15
1.30
1.80
3.50
5.50
6.00
Iolite
.04
.10
.24
.40
.65
1.05
   
.20
.32
.55
.65
1.00
1.50
2.90
   
Opal
.02
.09
.16
.34
.57
.83
1.30
2.00
.13
.22
.35
.50
.70
1.03
1.40
2.45
 
Peridot
.05
.12
.26
.50
.85
1.25
2.00
5.25
.25
.45
.70
.80
1.10
1.40
3.40
4.75
 
Ruby / Sapphire
.05
.15
.34
.65
1.05
1.60
2.25
4.50
.30
.50
.75
1.00
1.85
2.50
4.75
7.90
 
Topaz
.05
.15
.32
.56
1.00
1.55
2.45
4.25
.27
.50
.90
1.10
1.65
2.20
3.85
5.40
7.00
Tanzanite
.04
.12
.27
.54
       
.20
.36
.70
.85
1.40
2.10
     
Tourmaline
.04
.10
.24
.45
.80
1.30
2.00
3.25
.25
.35
.65
.85
1.20
1.85
3.00
5.00
 
Zircon-Blue
.06
.17
.36
.69
1.25
1.75
2.60
5.00
.30
.70
1.00
1.30
2.60
4.00
5.25
7.50

Oval / Pear / Octagon / Navette / Round / Square / Heart / Trillion

Oval
GEMSTONE
5/3
6/4
7/5
8/6
9/7
10/8
11/9
12/10
14/10
16/12
18/13
20/15
Amethyst / Citrine
.23
.43
.85
1.10
1.65
2.40
3.25
4.50
5.50
9.00
12.00
17.00
Aquamarine
.23
.43
.85
1.10
1.65
2.40
3.25
4.50
5.50
9.00
12.00
17.00
Diamonds
.25
.50
.75
1.40
2.00
3.00
4.00
5.00
8.00
11.50
16.00
21.50
Emerald
.28
.50
.80
1.00
1.60
2.25
3.75
5.00
7.50
12.00
14.50
18.00
Garnet / Rhodolite
.45
.60
1.05
1.45
2.20
2.80
3.75
5.20
6.50
10.00
13.25
20.00
Iolite
.19
.35
.65
1.00
1.50
2.10
2.70
3.25
       
Opal
.16
.28
.47
.78
1.10
1.65
2.15
3.00
4.00
5.25
5.75
9.90
Peridot
.25
.55
.85
1.30
1.70
2.50
3.25
4.25
6.00
10.00
16.50
20.00
Ruby / Sapphire
.35
.60
1.00
1.55
2.20
3.10
3.80
6.00
7.00
12.00
16.00
20.00
Topaz
.28
.60
1.00
1.55
2.25
3.15
4.30
6.00
7.25
11.75
16.00
22.50
Tanzanite
.23
.45
.85
1.20
2.00
             
Tourmaline
.25
.55
.90
1.24
1.85
2.50
3.75
5.25
6.80
8.50
12.00
18.00
Zircon-Blue
.40
.75
1.45
2.00
2.85
4.00
5.60
7.50
8.20
13.50
18.00
23.00

Oval / Pear / Octagon / Navette / Round / Square / Heart / Trillion

Octagon
GEMSTONE
5/3
6/4
7/5
8/6
9/7
10/8
11/9
12/10
14/10
16/12
18/13
20/15
Amethyst / Citrine
.27
.50
.90
1.46
2.23
3.20
4.50
5.20
6.75
11.75
14.75
20.00
Aquamarine
.27
.50
.90
1.46
2.23
3.20
4.50
5.20
6.75
11.75
14.75
20.00
Diamonds
.25
.50
.75
1.40
2.00
3.00
4.00
5.00
8.00
11.50
16.00
21.50
Emerald
.28
.52
.85
1.00
1.60
2.25
3.75
5.00
7.50
12.00
14.50
18.00
Garnet / Rhodolite
.40
.75
1.30
2.10
2.70
3.60
5.25
7.00
8.00
16.00
20.00
27.50
Iolite
.28
.48
.75
1.50
2.40
3.00
3.75
4.63
       
Opal                        
Peridot
.35
.60
1.00
1.70
2.25
3.80
5.25
6.25
8.80
17.00
20.00
26.00
Ruby / Sapphire
.55
.75
1.15
1.75
2.30
2.75
4.00
6.25
9.00
12.50
18.70
27.00
Topaz
.34
.70
1.15
1.90
2.66
3.95
5.49
7.21
8.45
12.50
17.75
26.00
Tanzanite
.30
.60
1.00
1.80
               
Tourmaline
.30
.57
1.02
1.63
2.42
3.50
4.50
5.20
8.50
13.00
16.50
24.90
Zircon-Blue
.60
.85
1.70
2.35
3.90
4.50
6.20
7.01
8.95
14.30
19.90
28.70

Oval / Pear / Octagon / Navette / Round / Square / Heart / Trillion

 
Nav
Square
GEMSTONE
4/2
6/3
8/4
10/5
12/6
14/7
3mm
3.5m
4mm
4.5m
5mm
6mm
7mm
8mm
Amethyst / Citrine
.10
.20
.48
.90
1.59
2.45
.15
.22
.30
.50
.65
1.00
1.65
2.35
Aquamarine
.10
.20
.48
.90
1.59
2.45
.15
.22
.30
.50
.65
1.00
1.65
2.35
Diamonds
.12
.25
.50
1.00
2.00
3.00
               
Emerald
.09
.30
.60
1.10
1.80
2.80
.22
.30
.35
         
Garnet / Rhodolite
.09
.30
.65
1.25
2.10
2.85
.21
.30
.45
.60
.85
1.30
2.00
2.75
Iolite
.06
.18
.42
.75
1.15
2.00
.13
.22
.30
.40
.50
.90
   
Opal
.09
.17
.37
.59
1.00
1.25
               
Peridot
.10
.25
.50
1.00
2.00
2.55
.18
.26
.35
.46
.65
1.05
   
Ruby / Sapphire
.13
.35
.75
1.15
2.20
3.00
.25
.34
.40
         
Topaz
.09
.32
.68
1.40
2.25
3.60
.21
.30
.42
.60
.75
1.25
2.15
3.35
Tanzanite
.07
.22
.58
1.10
1.40
                 
Tourmaline
.10
.30
.60
.85
1.55
2.20
.14
.26
.40
.50
.65
1.05
   
Zircon-Blue
.13
.33
.75
1.25
1.95
3.00
               

Oval / Pear / Octagon / Navette / Round / Square / Heart / Trillion

 
Heart
Trillion
GEMSTONE
4m
5m
6m
7m
8m
9m
10m
11m
12m
4m
5m
6m
7m
8m
9m
10m
11m
12m
Amethyst / Citrine
.22
.40
.70
1.10
1.65
2.25
3.00
4.00
5.00
.22
.42
.75
1.20
1.75
2.40
3.25
4.25
5.35
Aquamarine
.22
.40
.70
1.10
1.65
2.25
3.00
4.00
5.00
.22
.42
.75
1.20
1.75
2.40
3.25
4.25
5.35
Garnet / Rhodolite
.32
..58
.90
1.40
2.00
2.65
3.75
4.50
5.25
.35
.62
1.00
1.50
2.15
2.85
4.00
4.75
5.50
Peridot
.24
.40
.70
1.10
1.75
       
.27
.45
.75
1.20
1.90
       
Tourmaline
.24
.42
.75
1.20
1.75
       
.27
.50
.85
1.30
1.95
       
Iolite
.18
.35
.60
1.00
         
.19
.38
.65
1.10
         
Topaz
.31
.55
.95
1.45
2.25
3.00
4.25
5.25
7.00
.32
.58
1.00
1.55
2.30
3.25
4.50
   
Tanzanite
.22
.45
.75
1.10
1.60
       
.22
.50
.80
1.15
1.65
       
Ruby / Sapphire
.36
.60
1.00
           
.36
.65
1.05
           
Emerald
.30
.55
.90
           
.30
.60
.95


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