Gems Asscher Cushion Emerald Heart MarquiseOval Pear Princess Round Radiant
Gemstones
For colored gemstones, dimensions are the best way of accurately measuring size. These dimensions are accurate plus or minus 0.2mm and gemstone weights are approximate (for reference only). Select the gemstone shape for carat weight equivalence. You may also view more details about your gems in the product details tab.
Ring Size
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Asscher Cut
mm / carat |
Diamond |
Moissanite |
|
5x5 |
0.80 |
0.70 |
|
6x6 |
1.30 |
1.20 |
|
7x7 |
2.10 |
2.00 |
|
8x8 |
3.10 |
2.50 |
|
9x9 |
3.10 |
2.80 |
|
10x10 |
6.10 |
5.50 |
|
Cushion Cut
LONG |
Diamond |
Moissanite |
Morganite |
7x5 |
1.00 |
0.90 |
0.70 |
8x6 |
1.60 |
1.40 |
1.10 |
9x7 |
2.40 |
2.20 |
2.10 |
10x8 |
3.50 |
3.20 |
2.80 |
11x9 |
5.00 |
4.50 |
3.10 |
12x10 |
6.70 |
6.10 |
4.60 |
SQUARE |
Diamond |
Moissanite |
Morganite |
5x5 |
0.60 |
0.50 |
0.50 |
6X6 |
1.10 |
0.90 |
0.90 |
7X7 |
1.70 |
1.40 |
1.40 |
8X8 |
2.40 |
2.10 |
2.00 |
9X9 |
3.30 |
2.90 |
3.00 |
10X10 |
5.00 |
4.10 |
3.70 |
Emerald Cut
mm / carat |
Diamond |
Moissanite |
Morganite |
7x5 |
1.00 |
0.90 |
1.00 |
8x6 |
1.70 |
1.60 |
1.40 |
9x7 |
2.50 |
2.30 |
2.20 |
10x8 |
3.50 |
3.20 |
3.10 |
11x9 |
5.00 |
4.50 |
3.70 |
12x10 |
6.70 |
6.00 |
|
Heart Cut
mm / carat |
Diamond |
Moissanite |
Morganite |
5x5 |
0.50 |
0.40 |
0.40 |
6x6 |
0.80 |
0.70 |
0.60 |
7x7 |
1.20 |
1.10 |
1.00 |
8x8 |
1.80 |
1.60 |
1.50 |
Marquise Cut
mm / carat |
Diamond |
Moissanite |
|
8x4 |
0.50 |
0.40 |
|
9x4½ |
0.70 |
0.60 |
|
10x5 |
1.00 |
0.90 |
|
Oval Cut
mm / carat |
Diamond |
Moissanite |
Morganite |
7x5 |
0.90 |
0.80 |
0.70 |
8x6 |
1.50 |
1.30 |
1.10 |
9x7 |
2.10 |
1.90 |
1.60 |
10x8 |
3.00 |
2.70 |
2.30 |
11x9 |
4.20 |
3.70 |
3.20 |
12x10 |
5.80 |
5.10 |
4.10 |
Pear Cut
mm / carat |
Diamond |
Moissanite |
Morganite |
8x5 |
0.90 |
0.80 |
0.80 |
9x6 |
1.50 |
1.30 |
1.00 |
10x7 |
2.10 |
1.90 |
1.60 |
12x8 |
3.50 |
3.00 |
3.00 |
Round Cut
mm / carat |
Diamond |
Moissanite |
Morganite |
5 |
0.50 |
0.40 |
0.40 |
5½ |
0.60 |
0.50 |
|
6 |
0.80 |
0.60 |
0.70 |
6½ |
1.00 |
0.80 |
|
7 |
1.20 |
1.10 |
1.10 |
7½ |
1.50 |
1.30 |
|
8 |
1.90 |
1.60 |
1.80 |
8½ |
2.20 |
1.90 |
|
9 |
2.70 |
2.20 |
2.50 |
9½ |
3.10 |
2.70 |
|
10 |
3.60 |
3.00 |
3.40 |
10½ |
4.20 |
3.50 |
|
11 |
4.75 |
4.10 |
|
Radiant Cut
mm / carat |
Diamond |
Moissanite |
|
7x5 |
1.20 |
1.00 |
|
8x6 |
1.80 |
1.60 |
|
9x7 |
2.90 |
2.70 |
|
10x8 |
3.90 |
3.50 |
|
11x9 |
5.30 |
4.70 |
|
12x10 |
7.20 |
6.40 |
|
Princess Cut
mm / carat |
Diamond |
Moissanite |
|
6x6 |
1.30 |
1.10 |
|
7x7 |
2.10 |
1.80 |
|
8x8 |
3.10 |
2.70 |
|
Other sizes may be available now, contact us if you don't see the size you'd like.