Categories
- Jewelers Showcase Quotes
- Custom Made Rings
- Pendant Medals
- Custom Silver Pendants
- Factory Rings
- Chains & Bracelets
- Sterling Cross
- Baptism Jewelry
- Communion
- Gemstone Information
- Confirmation
- Gold & Silver Methodist Cross
- Greek
- Gold Orthodox Cross
- Silver Orthodox Cross
- Celtic
- Saint Brigid Cross
- Celtic Crosses
- 14K Gold Cross
- 4 Way Cruciform Cross Medals
- 14k White Gold Cross
- Customize-Shopwork
- New Products ...
- All Products ...
Information
Secure Payments
Round brilliant cut gems carat weight conversions
Round brilliant cut gemstone carat weight conversion chart. Millimeter size to carat weight conversions for faceted gemstones. This chart depicts optimum weights for round 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 a gemstones overall size for fit in mountings. See "About Calibrated Gems" to your right to learn why. |
Round Faceted Gemstone Weight Chart (approximate weights) |
|||||||||
4 |
5 |
6 |
6.5 |
7 |
8 |
10 |
|||
Alexandrite |
.35 ct |
.63 ct |
1.30 ct |
1.86 ct |
2.15 ct |
2.90 ct |
5.20 ct |
||
Amethyst |
.20 ct |
.40 ct |
.70 ct |
1.10 ct |
1.30 ct |
1.80 ct |
3.30 ct |
||
Aquamarine |
.25 ct |
.45 ct |
.75 ct |
1.31 ct |
1.60 ct |
2.40 ct |
3.50 ct |
||
Citrine |
.20 ct |
.40 ct |
.70 ct |
1.10 ct |
1.30 ct |
1.80 ct |
3.30 ct |
||
Diamond |
.23 ct |
.47 ct |
.80 ct |
1.00 ct |
1.25 ct |
1.90 ct |
3.50 ct |
||
Emerald |
.27 ct |
.48 ct |
.80 ct |
1.26 ct |
1.70 ct |
2.50 ct |
6.10 ct |
||
Garnet |
.30 ct |
.60 ct |
1.00 ct |
1.40 ct |
1.60 ct |
2.50 ct |
5.75 ct |
||
Opal |
.16 ct |
.34 ct |
.57 ct |
.75 ct |
.83 ct |
1.30 ct |
2.00 ct |
||
Peridot |
.26 ct |
.50 ct |
.85 ct |
1.11 ct |
1.25 ct |
2.00 ct |
5.25 ct |
||
Ruby |
.34 ct |
.65 ct |
1.05 ct |
1.41 ct |
1.60 ct |
2.25 ct |
4.50 ct |
||
Sapphire |
.34 ct |
.65 ct |
1.05 ct |
1.41 ct |
1.60 ct |
2.25 ct |
4.50 ct |
||
Topaz |
.30 ct |
.56 ct |
1.00 ct |
1.36 ct |
1.55 ct |
2.50 ct |
5.75 ct |
||
Tourmaline |
.24 ct |
.45 ct |
.75 ct |
1.28 ct |
1.55 ct |
2.00 ct |
3.00 ct |
||
Zircon |
.36 ct |
.69 ct |
1.25 ct |
1.58 ct |
1.75 ct |
2.60 ct |
5.00 ct |
Important Links
Secure Payments
Bestsellers
- St Benedict Cross Sterling Silver...
- Methodist Small Sterling Flame...
- Methodist Cross Pendant
- Miraculous Medal, 26.25 X 17.75...
- 27" Cont Curb & Miraculous...
- Holy Spirit Sterling Silver Ring,...
- St. Michael Sterling Silver Ring,...
- 14K White Gold 19x10 mm Methodist...
- Methodist Large Sterling Flame...
- Miraculous Sterling Silver Ring,...