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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: 4031911 pcs |
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| 14.92ct Star Moonstone |
| 15.70 x 12.71 x 10.00mm |
| USD 52.67 |
| Item in Stock |
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| ID: 4033101 pcs |
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| 24.71ct Star Moonstone |
| 16.79 x 12.70mm |
| USD 87.23 |
| Item in Stock |
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| ID: 4141431 pcs |
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| 49.09ct Star Garnet |
| 22.20 x 19.29 x 9.77mm |
| USD 147.27 |
| Item in Stock |
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| ID: 4038841 pcs |
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| 56.50ct Star Garnet |
| 20.85 x 12.22mm |
| USD 169.50 |
| 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: 4040071 pcs |
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| 92.68ct Star Garnet |
| 29.11 x 23.96 x 12.78mm |
| USD 278.04 |
| Item in Stock |
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| ID: 4141381 pcs |
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| 35.84ct Star Garnet |
| 22.97 x 17.93 x 7.75mm |
| USD 107.52 |
| Item in Stock |
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| ID: 4318841 pcs |
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| 31.96ct Star Garnet |
| 18.43 x 12.52 x 11.61mm |
| USD 71.59 |
| 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: 4141041 pcs |
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| 7.34ct Star Moonstone |
| 12.83 x 9.35 x 7.92mm |
| USD 29.36 |
| Item in Stock |
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| ID: 4139701 pcs |
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| 17.15ct Star Moonstone |
| 17.14 x 13.65 x 10.26mm |
| USD 68.60 |
| Item in Stock |
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| ID: 4038861 pcs |
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| 49.69ct Star Garnet |
| 24.12 x 8.42mm |
| USD 149.07 |
| Item in Stock |
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| ID: 3734601 pcs |
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| 55.45ct Star Lemon Quartz |
| 22.47 x 19.70 x 16.95mm |
| USD 166.35 |
| Item in Stock |
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| ID: 4038881 pcs |
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| 65.99ct Star Garnet |
| 22.85 x 11.66mm |
| USD 197.97 |
| Item in Stock |
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| ID: 3858571 pcs |
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| 10.64ct Star Sapphire |
| 14.30 x 12.17 x 5.37mm |
| USD 159.60 |
| 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: 4033061 pcs |
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| 17.30ct Star Moonstone |
| 19.41 x 15.76 x 8.22mm |
| USD 61.07 |
| Item in Stock |
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| ID: 4040051 pcs |
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| 71.36ct Star Garnet |
| 26.99 x 21.20 x 11.97mm |
| USD 214.08 |
| Item in Stock |
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| ID: 3939711 pcs |
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| 6.82ct Star Sapphire |
| 12.40 x 9.35 x 5.09mm |
| USD 58.79 |
| Item in Stock |
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| ID: 4040111 pcs |
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| 159.09ct Star Garnet |
| 32.28 x 29.05 x 16.02mm |
| USD 477.27 |
| Item in Stock |
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| ID: 3444381 pcs |
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| 236.30ct Star Rose Quartz |
| 38.16 x 36.21 x 25.38mm |
| USD 590.75 |
| 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.
