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You Selected (348): Round Shape 12 mm Gems Clear All
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| ID: 4182521 pcs |
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| 6.23 ct Star Moonstone |
| 12 mm |
| $ 24.92 |
| Item in Stock |
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| ID: 2830191 pcs |
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| 5.82 ct Smoky Quartz |
| 12.2 mm |
| $ 7.28 |
| Item in Stock |
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| ID: 4384362 pcs |
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| 14.18 ct Spinel |
| 12 mm |
| $ 42.54 |
| Item in Stock |
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| ID: 4187271 pcs |
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| 6.76 ct Star Moonstone |
| 12.2 mm |
| $ 27.04 |
| Item in Stock |
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| ID: 4350582 pcs |
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| 23.79 ct Rutile Quartz |
| 12 mm |
| $ 23.79 |
| Item in Stock |
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| ID: 3618202 pcs |
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| 22.63 ct Jasper |
| 11.9 mm |
| $ 22.63 |
| Item in Stock |
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| ID: 2486721 pcs |
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| 5.61 ct Prehnite |
| 12 mm |
| $ 25.24 |
| Item in Stock |
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| ID: 4178491 pcs |
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| 5.31 ct Quartz |
| 12 mm |
| $ 10.62 |
| Item in Stock |
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| ID: 2830671 pcs |
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| 7.52 ct Smoky Quartz |
| 12.2 mm |
| $ 9.40 |
| Item in Stock |
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| ID: 2438381 pcs |
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| 5.50 ct Prehnite |
| 12 mm |
| $ 24.75 |
| Item in Stock |
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| ID: 4229622 pcs |
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| 26.02 ct Tiger's Eye |
| 12.2 mm |
| $ 20.82 |
| Item in Stock |
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| ID: 2829761 pcs |
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| 6.31 ct Smoky Quartz |
| 11.9 mm |
| $ 7.89 |
| Item in Stock |
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| ID: 3382151 pcs |
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| 13.55 ct Pearl |
| 12.3 mm |
| $ 203.25 |
| Item in Stock |
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| ID: 3237702 pcs |
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| 13.17 ct Smoky Quartz |
| 12.1 mm |
| $ 11.19 |
| Item in Stock |
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| ID: 2437902 pcs |
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| 11.75 ct Prehnite |
| 12.1 mm |
| $ 52.88 |
| Item in Stock |
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| ID: 3382111 pcs |
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| 13.34 ct Pearl |
| 12.3 mm |
| $ 199.50 |
| Item in Stock |
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| ID: 3382871 pcs |
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| 13.30 ct Pearl |
| 12.3 mm |
| $ 199.50 |
| Item in Stock |
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| ID: 4383752 pcs |
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| 15.39 ct Spinel |
| 12.2 mm |
| $ 46.17 |
| Item in Stock |
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| ID: 3382091 pcs |
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| 13.49 ct Pearl |
| 12.3 mm |
| $ 198.99 |
| Item in Stock |
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| ID: 4143701 pcs |
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| 6.88 ct Rose Quartz |
| 11.9 mm |
| $ 34.40 |
| Item in Stock |
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| ID: 3237712 pcs |
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| 13.32 ct Smoky Quartz |
| 12 mm |
| $ 11.32 |
| Item in Stock |
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Round Shape 12 mm Gems
Some people by gems by color or price, but for many, it is best to buy gems by shape and size - especially if you're in need of a gem to replace a previous item that was lost or damaged. Calibrated Round shapes, facet cut and cabochon gems available now in 12 mm diameter size range. Shop a wide range of calibrated gemstones by size online at wholesale from GemSelect.
Some people by gems by color or price, but for many, it is best to buy gems by shape and size - especially if you're in need of a gem to replace a previous item that was lost or damaged. Calibrated Round shapes, facet cut and cabochon gems available now in 12 mm diameter size range. Shop a wide range of calibrated gemstones by size online at wholesale from GemSelect.
As a general guideline, when it comes to 'calibrated' gems, they are not usually expected to be cut to exact measurements. For calibrated gemstones weighing under one carat, most jewelry settings will accommodate a gem which is within 0.2 mm of the calibrated size in order to fit a standard setting. For gemstones that weigh over one carat, a larger variance is acceptable, often around 0.3 mm or slightly higher even. This small variance can usually be accommodated for standard style settings. Round-cut gemstones should also have a greater variance in acceptable size when it comes to calibration; in fact it is usually possible to mount a round stone of any size in the closest standard setting.
