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| ID: 4708441 pcs |
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| 21.23 ct Star Sapphire |
| 14.7 mm |
| $ 743.05 |
| Item in Stock |
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| ID: 47141720 pcs |
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| 4.48 ct Sapphire |
| 4.1 x 3.1 mm |
| $ 93.23 |
| Item in Stock |
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| ID: 47141620 pcs |
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| 5.25 ct Sapphire |
| 4.2 x 3.3 mm |
| $ 109.25 |
| Item in Stock |
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| ID: 4708081 pcs |
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| 14.39 ct Star Sapphire |
| 13.5 x 12.3 mm |
| $ 503.65 |
| Item in Stock |
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| ID: 4708091 pcs |
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| 13.46 ct Star Sapphire |
| 13.7 x 11.6 mm |
| $ 471.10 |
| Item in Stock |
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| ID: 4708451 pcs |
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| 12.12 ct Star Sapphire |
| 12.3 x 11.4 mm |
| $ 424.20 |
| Item in Stock |
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| ID: 4708001 pcs |
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| 10.97 ct Star Sapphire |
| 11.5 mm |
| $ 383.95 |
| Item in Stock |
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| ID: 4018417 pcs |
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| 1.62 ct Color-Change Sapphire |
| 4 x 3.1 mm |
| $ 121.50 |
| Item in Stock |
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| ID: 4485301 pcs |
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| 1.31 ct Sapphire |
| 6.8 x 5.7 mm |
| $ 631.42 |
| Item in Stock |
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| ID: 4038035 pcs |
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| 1.77 ct Color-Change Sapphire |
| 4.9 x 3.7 mm |
| $ 132.75 |
| Item in Stock |
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| ID: 4708361 pcs |
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| 10.61 ct Star Sapphire |
| 13 x 11.3 mm |
| $ 371.35 |
| Item in Stock |
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| ID: 4038075 pcs |
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| 1.60 ct Color-Change Sapphire |
| 4.5 x 3.3 mm |
| $ 120.00 |
| Item in Stock |
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| ID: 4017296 pcs |
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| 1.77 ct Color-Change Sapphire |
| 3.7 mm |
| $ 132.75 |
| Item in Stock |
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| ID: 4038045 pcs |
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| 1.85 ct Color-Change Sapphire |
| 4.7 x 3.7 mm |
| $ 138.75 |
| Item in Stock |
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| ID: 4039076 pcs |
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| 1.49 ct Color-Change Sapphire |
| 4.3 x 3 mm |
| $ 111.75 |
| Item in Stock |
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| ID: 4039096 pcs |
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| 1.85 ct Color-Change Sapphire |
| 4.6 x 3.5 mm |
| $ 138.75 |
| Item in Stock |
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| ID: 4016315 pcs |
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| 1.47 ct Color-Change Sapphire |
| 3.8 mm |
| $ 110.25 |
| Item in Stock |
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| ID: 4708031 pcs |
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| 9.39 ct Star Sapphire |
| 11.2 mm |
| $ 328.65 |
| Item in Stock |
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| ID: 4017226 pcs |
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| 1.91 ct Color-Change Sapphire |
| 3.9 mm |
| $ 143.25 |
| Item in Stock |
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| ID: 4017256 pcs |
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| 1.39 ct Color-Change Sapphire |
| 3.4 mm |
| $ 104.25 |
| Item in Stock |
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| ID: 4708371 pcs |
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| 9.39 ct Star Sapphire |
| 11.1 x 10.1 mm |
| $ 328.65 |
| Item in Stock |
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Sapphire, with its hardness of 9 on Mohs hardness, is second only to diamond, which renders it one of the most valuable and wearable gemstones of all-time. Sapphire is a 'precious four' gem and offers superb brilliance and rich, vibrant colors. Although most sapphire is heated or enhanced in other ways to improve color, clarity and stability, unheated and completely untreated natural sapphire can still be found. Usually unheated sapphire gems are found only in small sizes, but occasionally, large, clean stones are uncovered too. Because unheated sapphire is such a rarity, they are indeed relatively expensive, particularly unheated top-color blue 'Ceylon' sapphire. Unheated, natural sapphire is mostly sourced from Africa, though Australia and parts of Asia are known to produce some fine materials too.
As of recent times, Madagascar and Tanzania are two of the most important sources for fine untreated, unheated sapphire, as is Thailand. Tanzanian sapphire is usually pink to violet in color (often violet-blue), and many of the specimens exhibit very noticeable color change properties. Color-change unheated sapphire can be very expensive and is highly sought-after by both jewelers and gem collectors. Fine quality unheated sapphire gems from Madagascar, as well as Australia, display silk inclusions, which are highly desirable. The silky appearance is cause by rutile inclusions and the presence of such silk is usually a good indicator that the gem has not been heated, since rutile inclusions melt at a much lower temperatures than those at which sapphire is heated. Sapphire is also the official birthstone for those born in the month of September.
