0.83 cts Natural Montana Sapphire (SAP210)

Item Information

Dimensions (mm) not provided
Weight (carats) not provided
Colors
Certified Gemstone
Filled Cavities or Fissure/Cobalt
No Treatment
Heat Treatment
Beryllium Treated
Surface Diffusion

 BLUE SAPPHIRE

Weight: 0.83 cts
Clarity: SI1
Size: 5.6 x 5.6 x 3.6mm

Origin: montana-usa
Treatment: heat-2

Hardness: 9

A beautiful blue sapphire mined in Montana that has been heat treated. Amazing colour.

 

  Sapphire is one of the two gem varieties of the species corundum. Although blue is the best known hue, the gem occurs in virtually every spectral hue excepting red. Red corundum is a ruby. Sapphire may also be colorless, and it also occurs in the non-spectral shades, gray and black. Yellow and green sapphires have traces of iron that gives them their color. Pink sapphires have a trace of the element chromium and the deeper the color pink the higher their monetary value as long as the color is going toward the red of rubies. Sapphires also occur in shades of orange and brown, and colorless sapphires are sometimes used as diamond substitutes in jewelry. Salmon-color padparadscha sapphires often fetch higher prices than many of even the finest blue sapphires.

 

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Type 1 Gemstones
The following gemstones are typically inclusion free, even minor inclusions detract from their value.
Diamond, Amethyst, Beryls(Aquamarine,Morganite), Citrine, Smoky Quartz, topaz, Chrysoberyl, Kunzite, Tanzanite, green Tourmaline, and Blue Zircon
IF Internally flawless under extreme magnification (Very rare)
F Flawless
VVS Minute inclusions under 10x; invisible to the unaided eye
VS Minor inclusions under 10x; usually invisible to the unaided eye
SI1 Noticeable inclusions under 10x; usually visible to the unaided eye
SI2 Noticeable inclusions under 10x; usually quite visible to the unaided eye
I1 prominent- moderate affect on appearance or durability
I2 prominent - severe affect on appearance or durability
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Pricing & Details

Bid Increment $1
Starting Bid $125
Auction ID 404578
Watchers 3 watching
Viewed 930 times
Starts 9th Mar 2018 3:00am PST
Ends 9th Mar 2018 5:01pm PST

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