[SG] 6 STAR BLACK SAPPHIRE 3.45 CTS [S 1549]
About This Auction |
About This Seller: sedagems |
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| Minimum Bid (USD) | 11.00 | Feedback Rating | 100.00% Positive |
| Current Bid (USD) | 11.00 | Member Since | July 19, 2007 in Australia |
| Bid Increment | 1.00 |
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| Bids Placed | 13 jump to bid history | ||
| Starting Bid (USD) | 1.00 | ||
| Reserve Price (USD) | none | ||
| Starts | August 16, 2008 9:05 PM | ||
| Ends | August 31, 2008 9:00 PM | Basic Shipping Information | |
| Auction Category | NR Gemstones | Shipping Cost | 3.00 paid by buyer |
| Auction ID | 43288 | Shipping Insurance (optional) | 7.00 |
This auction has closed |
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Gallery

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Description
BLACK STAR SAPPHIRE
A well domed 6 star sapphire stone ready for setting. The photo was taken in the sun so it will give you a idea of what to expect when you wear it.This is a picture of the actual stone you are bidding on. Mined in india Hardness 9 Treatments heated
weight 3.45 cts ap
size 9x 7x4 mm ap
p Sapphires and rubi
s are formed at great depth in the earth's mantle or the lowest part of the crust Although blue is considered the normal color for sapphires, they can be found across a full range of spectral colors as well as brown, colorless, grey and black. Those other than blue in color are considered fancy color sapphires. A star sapphire is a type of sapphire that exhibits a star-like phenomenon known as asterism. Star sapphires contain intersecting needle-like inclusions (often the mineral rutile, a mineral composed primarily of titanium dioxide ) that cause the appearance of a six-rayed 'star'-shaped pattern when viewed with a single overhead light source. The value of a star sapphire depends not only on the carat weight of the stone but also the body color, visibility and intensity of the asterism..