4.07 CTS VS AMETHYST - CUT FROM OUR OWN ROUGH [SB372]

アイテム情報

寸法(mm) 提供されていない
重量(カラット) 提供されていない
Certified Gemstone
処理...
sedagems's Logo   

AMETHYST STONE

  BIRTH STONE FOR FEBURARY

 PURPLE COLOUR WITH A FANTASTIC CUT

 On my last trip to Brazil I purchased a rough amethyst parcel from a miner and I gave it to a top cutter to finish. Im very pleased with the luster and cutting that he did and im sure you will be too. 

Mined in Brazil

Grading VVS

Mohs scale 7

Weight 4.07 Cts app 

Size 12 x 10 x 6 mm app 

 

 

 Amethyst  is  a purple form of quartz and it is the Birthstone  associated with February..Amethyst occurs in primary hues from a light slightly-pinkish violet to a deep grape purple. Amethyst may exhibit one or both secondary hues, red and/or blue. The ideal grade is called "Deep Siberian" and has a primary purple hue of around 75–80 percent, 15–20 percent blue and (depending on the light source) red secondary hues   

  SEDAGEMS IS A MEMBER OF THE 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

 

 

sedagems's Logo   

AMETHYST STONE

  BIRTH STONE FOR FEBURARY

 PURPLE COLOUR WITH A FANTASTIC CUT

 On my last trip to Brazil I purchased a rough amethyst parcel from a miner and I gave it to a top cutter to finish. Im very pleased with the luster and cutting that he did and im sure you will be too. 

Mined in Brazil

Grading VVS

Mohs scale 7

Weight 4.07 Cts app 

Size 12 x 10 x 6 mm app 

 

 

 Amethyst  is  a purple form of quartz and it is the Birthstone  associated with February..Amethyst occurs in primary hues from a light slightly-pinkish violet to a deep grape purple. Amethyst may exhibit one or both secondary hues, red and/or blue. The ideal grade is called "Deep Siberian" and has a primary purple hue of around 75–80 percent, 15–20 percent blue and (depending on the light source) red secondary hues   

  SEDAGEMS IS A MEMBER OF THE 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

 

 

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監査情報

Gemstone Sheriffプログラムを使用すると、メンバーはオークションの監査をリクエストできます。監査は、アイテムの説明と写真の正確性を評価する独立したGemologistによって完了されます。

価格と詳細

オークションID 281215
ウォッチャー 8ウォッチング
閲覧済み 3,175回
開始 2nd Jul 2012 6:20am PDT

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