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Certified 2.78 carat natural sapphire from srilanka
- UGS
- Dimensions (mm)
- 10 x 7.27 x 3.68mm
- Poids (cts)
- 2.78
- Certificate Gem Lab
- AIG
- Shape
- Oval
- Type
- Faceted
- Certified Gemstones
- Oui
- Couleurs
-
Sapphire Description
Sapphire is a precious gemstone from the corundum mineral family, composed of aluminum oxide (Al₂O₃). While it is best known for its deep blue color, sapphire actually occurs in a wide range of colors, except red (which is classified as ruby).
Key Characteristics of Sapphire
• Color: Most commonly blue, but also found in pink, yellow, green, purple, orange, white, and color-changing varieties. The rarest is padparadscha sapphire (a pink-orange shade).
• Hardness: 9 on the Mohs scale (extremely durable, second only to diamond).
• Luster: Vitreous (glassy) with excellent brilliance.
• Clarity: High-quality sapphires are often eye-clean, though some may contain natural inclusions, such as silk-like rutile needles (which can create a star effect).
• Refractive Index: 1.76 – 1.78, giving it exceptional sparkle.
• Formation: Found in igneous, metamorphic, and alluvial deposits.
• Sources: Myanmar (Burma), Sri Lanka, Kashmir (India), Madagascar, Thailand, Australia, and Montana (USA).
Special Types of Sapphire
• Padparadscha Sapphire: A rare pinkish-orange variety.
• Star Sapphire: Displays a six-rayed star effect (asterism) due to aligned rutile inclusions.
• Color-Change Sapphire: Shifts between blue and purple under different lighting.
Treatments & Enhancements
• Heat Treatment: Commonly used to enhance color and clarity (widely accepted in the gem trade).
• Unheated Sapphires: Extremely rare and valuable.
• Beryllium Treatment: Used for creating vibrant orange and yellow hues.
Uses & Value
• A favorite for fine jewelry, especially in rings, necklaces, and royal crowns.
• September birthstone and a traditional engagement ring choice (e.g., Princess Dianaâ€TMs sapphire ring).
• Symbolizes wisdom, loyalty, and protection.
Would you like a comparison with another gemstone, such as tanzanite or spinel?
| Fournisseur | Destination | Coût |
|---|---|---|
| Standard Shipping - Tracked Défaut |
Reste du monde
21
|
premier article
par article supplémentaire
frais de port plafonnés à
|
| FedEx |
Reste du monde
7
|
premier article
par article supplémentaire
frais de port plafonnés à
|
| Standard Shipping - Tracked Défaut |
Thaïlande
15
|
premier article
par article supplémentaire
frais de port plafonnés à
|
| FedEx |
Thaïlande
5
|
premier article
par article supplémentaire
frais de port plafonnés à
|
- UGS
- Dimensions (mm)
- 10 x 7.27 x 3.68 mm
- Poids (cts)
- 2.78
- Certificate Gem Lab
- AIG
- Shape
- Oval
- Type
- Faceted
- Certified Gemstones
- Oui
- Couleurs
-
Sapphire Description
Sapphire is a precious gemstone from the corundum mineral family, composed of aluminum oxide (Al₂O₃). While it is best known for its deep blue color, sapphire actually occurs in a wide range of colors, except red (which is classified as ruby).
Key Characteristics of Sapphire
• Color: Most commonly blue, but also found in pink, yellow, green, purple, orange, white, and color-changing varieties. The rarest is padparadscha sapphire (a pink-orange shade).
• Hardness: 9 on the Mohs scale (extremely durable, second only to diamond).
• Luster: Vitreous (glassy) with excellent brilliance.
• Clarity: High-quality sapphires are often eye-clean, though some may contain natural inclusions, such as silk-like rutile needles (which can create a star effect).
• Refractive Index: 1.76 – 1.78, giving it exceptional sparkle.
• Formation: Found in igneous, metamorphic, and alluvial deposits.
• Sources: Myanmar (Burma), Sri Lanka, Kashmir (India), Madagascar, Thailand, Australia, and Montana (USA).
Special Types of Sapphire
• Padparadscha Sapphire: A rare pinkish-orange variety.
• Star Sapphire: Displays a six-rayed star effect (asterism) due to aligned rutile inclusions.
• Color-Change Sapphire: Shifts between blue and purple under different lighting.
Treatments & Enhancements
• Heat Treatment: Commonly used to enhance color and clarity (widely accepted in the gem trade).
• Unheated Sapphires: Extremely rare and valuable.
• Beryllium Treatment: Used for creating vibrant orange and yellow hues.
Uses & Value
• A favorite for fine jewelry, especially in rings, necklaces, and royal crowns.
• September birthstone and a traditional engagement ring choice (e.g., Princess Dianaâ€TMs sapphire ring).
• Symbolizes wisdom, loyalty, and protection.
Would you like a comparison with another gemstone, such as tanzanite or spinel?
| Fournisseur | Destination | Coût |
|---|---|---|
| Standard Shipping - Tracked Défaut |
Reste du monde
21
|
premier article
par article supplémentaire
frais de port plafonnés à
|
| FedEx |
Reste du monde
7
|
premier article
par article supplémentaire
frais de port plafonnés à
|
| Standard Shipping - Tracked Défaut |
Thaïlande
15
|
premier article
par article supplémentaire
frais de port plafonnés à
|
| FedEx |
Thaïlande
5
|
premier article
par article supplémentaire
frais de port plafonnés à
|
Welcome to our online gemstone jewelry boutique, where elegance meets the natural beauty of the eart....
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PositifPaid and shipped - no feedback left after 100 days
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Positifexquisite gem, thank you
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PositifPaid and shipped - no feedback left after 100 days
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PositifPaid and shipped - no feedback left after 100 days
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