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Pear shape gemstone carat weight conversion chart
Pear shape gemstone carat weight conversion chart.
Millimeter size to carat weight conversions for faceted pear shape gemstones.
This chart depicts optimum weights for pear cut gemstones. Actual weights may vary due many factors related to the best recovery of raw material as accessed by a skilled lapidary.
In jewelry the primary goal is to calibrate the overall size for fit. See calibrated Gems to learn why. Use gemstone cut charts as a guide noting actual weights may vary within 10 percent.
Pear Faceted Gemstone Weight Chart (approximate weights) |
|||||||
5x3 |
6x4 |
7x5 |
8x6 |
9x6 |
10x7 |
12x8 |
|
Alexandrite |
.30 ct |
.50 ct |
.85 ct |
1.10 ct |
2.10 ct |
3.60 ct |
6.60 ct |
Amethyst |
.20 ct |
.35 ct |
.65 ct |
.85 ct |
1.25 ct |
1.70 ct |
4.00 ct |
Aquamarine |
.20 ct |
.35 ct |
.65 ct |
.90 ct |
1.30 ct |
1.85 ct |
4.20 ct |
Citrine |
.20 ct |
.35 ct |
.65 ct |
.85 ct |
1.30 ct |
1.70 ct |
4.00 ct |
Diamond |
.25 ct |
.50 ct |
.75 ct |
1.00 ct |
1.50 ct |
2.00 ct |
3.50 ct |
Emerald |
.25 ct |
.45 ct |
.70 ct |
1.05 ct |
1.70 ct |
2.60 ct |
4.15 ct |
Garnet |
.25 ct |
.40 ct |
1.00 ct |
1.15 ct |
1.30 ct |
1.80 ct |
3.50 ct |
Opal |
.13 ct |
.22 ct |
.35 ct |
.50 ct |
.70 ct |
1.03 ct |
1.40 ct |
Peridot |
.25 ct |
.45 ct |
.70 ct |
.80 ct |
1.10 ct |
1.40 ct |
3.40 ct |
Ruby |
.30 ct |
.50 ct |
.75 ct |
1.00 ct |
1.85 ct |
2.50 ct |
4.75 ct |
Sapphire |
.30 ct |
.50 ct |
.75 ct |
1.00 ct |
1.85 ct |
2.50 ct |
4.75 ct |
Topaz |
.25 ct |
.50 ct |
1.00 ct |
1.10 ct |
2.00 ct |
3.50 ct |
6.50 ct |
Tourmaline |
.35 ct |
.45 ct |
.60 ct |
.90 ct |
1.10 ct |
1.40 ct |
2.80 ct |
Zircon |
.30 ct |
.70 ct |
1.00 ct |
1.30 ct |
2.60 ct |
4.00 ct |
5.25 ct |
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