[SG]LONDON BLUE TOPAZ VS 1.40CTS [S1750 ]

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About This Seller: sedagems

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8.99

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Feedback Rating 100.00% Positive
Current Bid (USD) 0.00 Member Since July 19, 2007 in Australia
Bid Increment 1.00
Bids Placed 0
Starting Bid (USD) 7.99
Reserve Price (USD) none
Starts December 2, 2008 2:05 AM
Ends December 3, 2008 2:00 AM Basic Shipping Information
Auction Category Topaz Gemstones > Stones Shipping Cost 3.00 paid by buyer
Auction ID 43725 Shipping Insurance (optional) 7.00

Ends in 20 hours 21 minutes

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Gallery

Description

 BLUE TOPAZ 

LONDON BLUE

 

  The birthstone for november showing beautiful  sky blue colour. This is a photo of the actual stone you will win . 

VS GRADING

Source Brazil

 TREATMENT -IRRIDATED 

TRILLION   CUT

Mohs scale 8

Weight 1.40CTS APPROX

Size   7x 7x 4  MM APPROX.

Treatments-When heated, yellow topaz often becomes reddish-pink. Only stones of a brown-yellow color yield the pink; the pale yellow ones usually turn white. The pink color is stable. Topaz can also be irradiated, turning the stone blue, ranging from a light pure color to very dark almost electric blue

AS WITH ALL OUR STOCK YOU MAY RETURN IT FOR A FULL REFUND  IF NOT PLEASED .

MEMBER OF INTERNATIONAL COLOURED STONE ASSOCIATION 

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
I3 prominent- severe affect on beauty, transparency or durability
Type 2 Gemstones
Gemstones that normally have small inclusions that do not detract from value.
Alexandrite, Andalusite, Iolite, Peridot, Rhodolite, Ruby, Sapphire, Spinel, Tourmaline, Garnet, Amethyst, Red Zircon, Tsavorite; Blue, Orange, Purple, Fluorite.Yellow and Parti-colored Tourmaline
F Flawless
VVS Minor inclusions under 10x; usually invisible to the unaided eye
VS Noticeable inclusions under 10x; often invisible to the unaided eye
SI1 Obvious inclusions under 10x; visible to the unaided eye
SI2 Obvious inclusions under 10x; very apparent to the unaided eye
I1 prominent - moderate affect on appearance or durability
I2 prominent - severe affect on appearance or durability
I3 prominent - severe affect on beauty, transparency or durability

 

6 mm = 1/4 inch (Approx)

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