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You Selected (158): Star Cabochons Star Sapphire, Star Ruby, Star Moonstone, Star Rose Quartz, Star Diopside, Star Sunstone, Star Garnet, Star Lemon Quartz Clear All
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| ID: 3858501 pcs |
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| 13.08ct Star Sapphire |
| 13.82 x 11.12 x 7.34mm |
| USD 196.20 |
| Item in Stock |
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| ID: 3258111 pcs |
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| 20.62ct Star Moonstone |
| 17.24 x 15.10 x 11.10mm |
| USD 82.48 |
| Item in Stock |
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| ID: 3906501 pcs |
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| 9.89ct Star Sapphire |
| 14.18 x 11.91 x 4.84mm |
| USD 148.35 |
| Item in Stock |
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| ID: 3072881 pcs |
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| 311.65ct Star Rose Quartz |
| 43.53 x 42.00 x 24.42mm |
| USD 623.30 |
| Item in Stock |
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| ID: 4141411 pcs |
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| 43.14ct Star Garnet |
| 23.15 x 18.96 x 8.99mm |
| USD 129.42 |
| Item in Stock |
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| ID: 4140461 pcs |
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| 30.14ct Star Garnet |
| 17.24 x 9.04mm |
| USD 90.42 |
| Item in Stock |
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| ID: 3801941 pcs |
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| 47.52ct Star Garnet |
| 18.56 x 12.01mm |
| USD 237.60 |
| Item in Stock |
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| ID: 3508921 pcs |
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| 20.32ct Star Sapphire |
| 19.21 x 15.86 x 6.05mm |
| USD 553.92 |
| Item in Stock |
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| ID: 4038911 pcs |
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| 80.78ct Star Garnet |
| 24.38 x 12.74mm |
| USD 242.34 |
| Item in Stock |
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| ID: 3506601 pcs |
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| 7.01ct Star Sapphire |
| 12.44 x 9.68 x 5.17mm |
| USD 135.36 |
| Item in Stock |
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| ID: 3139791 pcs |
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| 133.15ct Star Rose Quartz |
| 31.59 x 29.05 x 19.59mm |
| USD 266.30 |
| Item in Stock |
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| ID: 3861041 pcs |
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| 8.73ct Star Sapphire |
| 12.44 x 9.37 x 6.31mm |
| USD 84.16 |
| Item in Stock |
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| ID: 3885381 pcs |
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| 6.32ct Star Sapphire |
| 14.65 x 11.58 x 3.20mm |
| USD 150.54 |
| Item in Stock |
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| ID: 4140041 pcs |
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| 4.90ct Star Moonstone |
| 11.93 x 9.62 x 5.81mm |
| USD 19.60 |
| Item in Stock |
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| ID: 4141481 pcs |
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| 56.81ct Star Garnet |
| 23.20 x 18.82 x 11.42mm |
| USD 170.43 |
| Item in Stock |
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| ID: 3053791 pcs |
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| 163.20ct Star Rose Quartz |
| 32.07 x 28.75 x 23.21mm |
| USD 326.40 |
| Item in Stock |
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| ID: 3547631 pcs |
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| 382.95ct Star Rose Quartz |
| 44.35 x 42.53 x 29.30mm |
| USD 765.90 |
| Item in Stock |
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| ID: 3861021 pcs |
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| 9.74ct Star Sapphire |
| 13.78 x 10.16 x 5.79mm |
| USD 93.89 |
| Item in Stock |
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| ID: 3149961 pcs |
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| 150.25ct Star Rose Quartz |
| 33.56 x 29.50 x 21.13mm |
| USD 300.50 |
| Item in Stock |
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| ID: 3506351 pcs |
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| 9.00ct Star Sapphire |
| 13.19 x 9.46 x 5.97mm |
| USD 173.79 |
| Item in Stock |
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| ID: 3072781 pcs |
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| 20.45ct Star Moonstone |
| 18.36 x 12.54 x 12.15mm |
| USD 81.80 |
| Item in Stock |
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Star Cabochons
In the world of gemstones, there is a small but special group of gems known to exhibit chatoyancy, either in the form of 'simple' chatoyancy, cat's eye chatoyancy or asterism (star chatoyancy). Gems that display the star effect are rare and fascinating. Chatoyancy is one of several forms of optical phenomena; other forms of optical phenomena include (but are not limited to) color-change, iridescence (the rainbow effect) and adularescence (shimmering light). Gems which display chatoyancy are known as 'phenomenal gemstones' and are heavily prized by jewelers and collectors for their rare and unique visible traits. The star phenomena is known to occur in only a handful of different gem types, such as star sapphire, star ruby, star garnet, star quartz, star moonstone and star diopside.
The value of star gemstones usually depends on the clarity of the 'star'. Gems which display sharp, clear and well-centered stars are generally considered to be of higher quality. In addition, gems which show stars from wider angles and under all different types of lighting are valued the most. Most star gemstones will often show their chatoyancy only when viewed under a single strong and focused light source; it is usually very difficult to see any asterism under diffused light. When viewing a star gemstone, it is best to use a flashlight or penlight while tilting the gem and light back and forth. This should cause the star to appear to glide across the stone's surface. Star gemstones are always cut en cabochon, as this is the best way to maximize chatoyancy. Gem cutters must be careful when working with star gemstones, as it requires great skill to properly shape and orient the stones.
In the world of gemstones, there is a small but special group of gems known to exhibit chatoyancy, either in the form of 'simple' chatoyancy, cat's eye chatoyancy or asterism (star chatoyancy). Gems that display the star effect are rare and fascinating. Chatoyancy is one of several forms of optical phenomena; other forms of optical phenomena include (but are not limited to) color-change, iridescence (the rainbow effect) and adularescence (shimmering light). Gems which display chatoyancy are known as 'phenomenal gemstones' and are heavily prized by jewelers and collectors for their rare and unique visible traits. The star phenomena is known to occur in only a handful of different gem types, such as star sapphire, star ruby, star garnet, star quartz, star moonstone and star diopside.
The value of star gemstones usually depends on the clarity of the 'star'. Gems which display sharp, clear and well-centered stars are generally considered to be of higher quality. In addition, gems which show stars from wider angles and under all different types of lighting are valued the most. Most star gemstones will often show their chatoyancy only when viewed under a single strong and focused light source; it is usually very difficult to see any asterism under diffused light. When viewing a star gemstone, it is best to use a flashlight or penlight while tilting the gem and light back and forth. This should cause the star to appear to glide across the stone's surface. Star gemstones are always cut en cabochon, as this is the best way to maximize chatoyancy. Gem cutters must be careful when working with star gemstones, as it requires great skill to properly shape and orient the stones.
