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fancy orange sapphire round fancy green sapphire cushion fancy padparadscha sapphire oval fancy green sapphire pear fancy orange sapphire marquise fancy green sapphire octagon Fancy orange sapphire oval fancy orangish red sapphire trillian

Fancy Colored Sapphire

Chemical Formula Al2O3

Fancy colored sapphire comes from the corundum family. It consits of various colors such as green, orange, red, etc. Fancy colored sapphires naturally occur in nature and it is common to heat (thermal enhancement) sapphires to improve their color. The untreated ones are rare and command a premium.

We carry heated fancy colored sapphires in calibrated sizes in several shapes such as rounds, ovals, marquise, squares, etc in various sizes. For more information on the sizes we usually keep in calibrated sizes, please click here.

We can also cut precision cut fancy colored sapphires, this is finely cut and crafted to bring the maximum brilliancy into it. This is done with the help of automated machines and skilled labour. For your demands in precision cut, please contact us for more information.

We can accomodate pairs, layouts and single unique fancy colored sapphires in both heated and unheated material. Also perfected is the art of special cuts or custom cuts. This is suited to fit your specifications and can be any shape and/or cut of your choice. For your requirements, please contact us.

Crystal Habit Massive and Granular
Crystal System Hexagonal
Cleavage None
Fracture Conchoidal, Splintery
Hardness (Mohs Scale) 9.0
Luster Vitreous
Refractive Index 1.762-1.778
Optical properties Abbe number 72.2
Birefringence 0.008
Pleochroism Strong
Streak White
Specific Gravity 3.95-4.03
Melting point 2030-2050 C
Fusibility Infusible
Solubility Insoluble
Coefficient of thermal Expansion 5e-6-6.6e-6/K

 

Fancy Color Sapphire - Calibrated Sizes

We make the following calibrated sizes and can even make other in-between sizes as well. For rounds, we can cut step cut and brilliant cut (diamond cut). For squares, we can cut step cut and princess cut and and special cuts such as french cut as well. Origin of pink sapphires that we keep are from Sri Lanka, Madagascar, Vietnam, Burma.

 

Oval
3x2
4x3
5x3
5x4
6x4
6x5
7x5
8x6
9x7
 
Pear
3x2
4x3
5x3
5x4
6x4
6x5
7x5
8x6
9x7
Round
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Square
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Marquise
3x1.5
4x2
5x2.5
6x3
7x3.5
8x4
9x4.5
10x5
Baguette
3x1.5
4x2
5x2.5
6x3
7x3.5
Octagon
4x3
5x3
5x4
6x4
6x5
7x5
8x6
Heart
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Trillion
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Drop / Briollet
4x3
5x3
5x4
6x4
6x5
7x5
8x6

 

 

 

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