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Technical Info
mm to Carat
Birthstones
Weights
Troy System
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MM to CARATS STONE CONVERSION
|
| Carat Size |
Round Shape MM |
Pear Shape MM |
Marquise Shape MM |
Oval Shape MM |
Octagon Shape* MM |
Heart Shape MM |
Trillion Shape MM |
Square Shape** MM |
| .005 |
1.0 |
|
|
|
|
|
|
|
| .0067 |
1.15 |
|
|
|
|
|
|
|
| .0075 |
1.12 |
|
|
|
|
|
|
|
| .01 |
1.3 |
|
|
|
|
|
|
|
| .015 |
1.5 |
|
|
|
|
|
|
|
| .02 |
1.7 |
|
|
|
|
|
|
|
| .025 |
1.8 |
|
|
|
|
|
|
|
| .03 |
2.0 |
|
|
|
|
|
|
1.5x1.5 |
| .035 |
2.1 |
|
2.5x1.25 |
|
|
|
|
|
| .04 |
2.2 |
|
3x1.5 |
|
|
|
|
1.75x1.75 |
| .05 |
2.4 |
|
|
|
|
|
|
|
| .06 |
2.5 |
|
3.5x1.75 |
|
|
|
|
2x2 |
| .07 |
2.7 |
|
3.5x2 |
|
|
|
|
2.25x2.25 |
| .08 |
2.8 |
|
|
|
2.8x2.1 |
|
|
|
| .09 |
2.9 |
3x2.5 |
4x2 |
|
|
|
|
|
| .10 |
3.0 |
|
|
|
|
|
3x3x3 |
2.5x2.5 |
| .11 |
3.1 |
|
4.25x2.25 |
|
|
|
|
|
| .12 |
3.2 |
4x2.5 |
|
|
3.3x2.5 |
3x3 |
|
|
| .14 |
3.3 |
4x3 |
4.5x2.5 |
|
|
|
3.5x3.5x3.5 |
2.75x2.75 |
| .15 |
3.4 |
|
5x2.5 |
|
3.5x2.6 |
|
|
|
| .16 |
3.5 |
4.5x3 |
|
|
|
|
|
|
| .17 |
3.6 |
|
|
|
|
|
|
3x3 |
| .18 |
3.7 |
|
|
|
|
|
4x4x4 |
|
| .20 |
3.8 |
5x3 |
5x3 |
4x3 |
3.9x2.9 |
3.5x3.5 |
|
3.25x3.25 |
| .22 |
3.9 |
|
|
|
|
|
|
|
| .23 |
4.0 |
|
|
|
|
|
|
3.5x3.5 |
| .25 |
4.1 |
|
6x3 |
5x3 |
4.2x3.1 |
4x4 |
4.5x4.5x4.5 |
|
| .30 |
4.2 |
5.5x3.5 |
6x3.5 |
|
|
|
|
3.75x3.75 |
| .33 |
4.4 |
|
|
|
5x3 |
|
5x5x5 |
|
| .38 |
4.6 |
|
7x3.5 |
5x4 |
|
4.5x4.5 |
|
|
| .40 |
4.8 |
|
|
|
|
|
5.5x5.5x5.5 |
4x4 |
| .47 |
5.0 |
|
|
|
|
|
|
|
| .50 |
5.2 |
6x4 |
8x4 |
6x4 |
5.2x3.9 |
5x5 |
|
4.5x4.5 |
| .60 |
5.4 |
|
|
|
|
|
|
|
| .65 |
5.6 |
|
|
|
|
5.5x5.5 |
|
|
| .75 |
5.8 |
7x5 |
9x4.5 |
|
6x4 |
6x6 |
|
5x5 |
| .80 |
6.0 |
|
|
|
6x4.5 |
|
|
|
| .95 |
6.4 |
|
|
|
|
|
|
|
| 1.00 |
6.5 |
8x5 |
10x5 |
7x5 |
7x5 |
6.5x6.5 |
7x7x7 |
5.5x5.5 |
| 1.10 |
6.6 |
|
|
|
|
|
|
|
| 1.17 |
6.8 |
|
|
|
|
|
|
|
| 1.25 |
7.0 |
|
|
7.5x5.5 |
|
|
8x8x8 |
6x6 |
| 1.33 |
7.2 |
|
|
|
|
|
|
|
| 1.50 |
7.4 |
9x6 |
11x5.5 |
8x6 |
8x6 |
7x7 |
9x9x9 |
6.5x6.5 |
| 1.60 |
7.6 |
|
|
|
|
|
|
|
| 1.75 |
7.8 |
|
|
|
|
|
|
|
| 1.90 |
8.0 |
|
|
|
|
|
|
|
| 2.00 |
8.2 |
10x7 |
12x6 |
8.5x6.5 |
8.5x6.5 |
8x8 |
10x10x10 |
7.5x7.5 |
| 2.15 |
8.4 |
|
|
|
|
|
|
|
| 2.25 |
8.6 |
|
|
|
|
|
|
|
| 2.50 |
8.8 |
12x7 |
13x6.5 |
9x7 |
9x7 |
8.5x8.5 |
|
8x8 |
| 2.85 |
9.2 |
|
|
|
|
|
|
|
| 3.00 |
9.4 |
12x8 |
14x7 |
10x8 |
10x8 |
9x9 |
|
8.5x8.5 |
| 3.15 |
9.6 |
|
|
|
|
|
|
|
| 3.35 |
9.8 |
|
|
|
|
|
|
|
| 3.50 |
10.0 |
13x8 |
14x7.5 |
10x8.5 |
|
9.5x9.5 |
|
|
| 3.75 |
10.2 |
|
|
|
|
|
|
|
| 4.00 |
10.4 |
14x8 |
16x8 |
11x9 |
11x9 |
10x10 |
|
9x9 |
| 4.25 |
10.6 |
|
|
|
|
|
|
|
| 4.50 |
10.8 |
14.5x9 |
|
11x9.5 |
|
10.5x10.5 |
|
|
| 4.75 |
11.0 |
|
|
|
|
|
|
|
| 5.00 |
11.2 |
15x9 |
16x8.5 |
12x10 |
12x10 |
11x11 |
|
9.5x9.5 |
* Also known as Emerald ** Also known Princess
(Note: These Are Approximate Diamond Sizes)
|
BIRTHSTONES
|
| Month |
BirthStone |
Genuine Stone |
| January |
Garnet |
Garnet |
| February |
Amethyst |
Amethyst |
| March |
Aquamarine |
Bloodstone |
| April |
White Sapphire |
Diamond |
| May |
Green Spinel |
Emerald |
| June |
Alexandrite |
Pearl |
| July |
Ruby |
Ruby |
| August |
Peridot |
Sardonyx |
| September |
Sapphire |
Sapphire |
| October |
Rose Zircon |
Opal |
| November |
Golden Sapphire |
Topaz |
| December |
Blue Zircon |
Turquoise |
|
WEIGHT CONVERSION FACTOR
|
| 10K to Alloy |
Wt. X .77 |
10K to SS |
Wt. X .88 |
| 10K to 14K |
Wt. X 1.14 |
10K to 18K |
Wt. X 1.30 |
| 14K to Alloy |
Wt. X .66 |
14K to SS |
Wt. X .77 |
| 14K to 10K |
Wt. X .88 |
14K to 18K |
Wt. X 1.14 |
| 14K to PT |
Wt. X 1.75 |
18K to 10K |
Wt. X .77 |
| 18K to 14K |
Wt. X .88 |
18K to PT |
Wt. X 1.42 |
| PT to 14K |
Wt. X .57 |
PT to 18K |
Wt. X .70 |
| SS to Alloy |
Wt. X .88 |
SS to 10K |
Wt. X 1.14 |
| SS to 14K |
Wt. X 1.30 |
SS to 18K |
Wt. X 1.48 |
| Alloy to SS |
Wt. X 1.14 |
Alloy to 10K |
Wt. X 1.30 |
| Alloy to 14K |
Wt. X 1.48 |
Alloy to 18K |
Wt. X 1.69 |
| Wax to Brass |
Wt. X 8.50 |
Wax to 14K |
Wt. X 14.0 |
|
TROY SYSTEM
|
| 1 gram |
15.4324 grains |
| 1 gram |
.642 penny weights |
| 1 gram |
.03215 troy ounce |
| 1.55517 grams |
1 pennyweight |
| 31.1048 grams |
1 troy ounce |
| 1000 grams |
1 kilogram |
| 1 kilogram |
32.15076 troy ounces |
| 1 pennyweight |
24 grains |
| 1 pennyweight |
.50 troy ounces |
| 20 pennyweight |
480 grains |
| 20 pennyweight |
1 troy ounce |
| 14.5833 troy ounces |
1 pound avoir |
| 12 troy ounces(5760 grains) |
1 troy pound |
| 16 avoid ounces (7000 grains) |
1 avoid pound |
| avoir weight X .823 |
troy weight |
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New Styles
ENS3133
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ENS3084
|
ENS3122
|
ENS3111
|
ENR8800
|
ENS3100
|
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