1.00ctw Mixed Round Irradiated Black Diamond Parcel Item: GP3346
In Stock JTV Price: $59.98Price: $29.98 You Save: 50%
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Product Description for 1.00ctw Mixed Round Irradiated Black Diamond Parcel-GP3346The name "diamond" comes from the Greek word "adamas", meaning "the unconquerable." Diamond earned this named as the hardest gemstone, ranking a 10 on the Mohs' scale--the highest rank possible. Diamond's cutting resistance is 140 times greater than ruby and sapphire, the next hardest stones on the scale. Irradiation treatment is sometimes used to enhance the color of diamonds. During this treatment, the stone is exposed to high-energy sources (like electrons) to create wonderful colors.
Product Information for 1.00ctw Mixed Round Irradiated Black Diamond Parcel-GP3346
| Product Type: | Faceted Parcel |
Primary Stone / Diamond
| Shape: | Round | Composition: | Natural |
| Cut: | Round Brilliant | Treatment: | Irradiated |
| Color: | Black | Gemstone Group: | Diamond |
| Dimensions: | Mixed Uncalibrated |
| Customer Rating |
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4
out of 5
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3 of 5 (60%) customers would recommend this product to a friend. |
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5
out of 5
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Small but Great,
September 26, 2008
Basenjifan
, Essex, MD
| Quality: |
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5
out of 5
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| Value: |
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5
out of 5
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"These are very small which is what I needed for a project, just be aware of the size."
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Product met expectations:
Yes
Purchased as a gift:
No
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2
out of 5
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Black diamond parcel,
December 13, 2007
Lulabelle
, Live Oak, Florida
| Quality: |
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2
out of 5
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| Value: |
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1
out of 5
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"I'm amazed that you could put facets on such small diamond specks. There was one stone that might have been big enough to use, but I'm returning all of them."
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Product met expectations:
No
Purchased as a gift:
No
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1 of 2 people found this review helpful.
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3
out of 5
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Black Diamond Parcel,
November 30, 2007
BLACKDIAMONDGAL
| Quality: |
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3
out of 5
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| Value: |
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3
out of 5
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"I was somewhat disappointed when I recd the product as I was expecting the stones to be LARGER. I will however keep the blk dias and find some use for them as the price was decent."
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1 of 1 people found this review helpful.
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 home learning library diamond
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Fast Facts
| Diamond is the hardest known gemstone on earth. |
| In 1477, Archduke Maximillian gave his betrothed a ring set with a diamond as a love token, making it the first recorded diamond engagement ring. |
| Diamond comes from the Greek word “adamas” meaning invincible. |
| Some beautiful purple color garnets will often be found in kimberlite (blue ground) soil samples in diamond rich areas and called diamond indicators. |
 As diamonds are formed by nature, most naturally develop minute imperfections known as inclusions. A diamond is considered “clean” if a trained eye cannot see inclusions when viewing the diamond through a color corrected lens at 10 times magnification. |
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Diamond is crystallized carbon, the only gem composed of a single element. The most popular diamonds are traditionally colorless, but they can also be found in yellow and brown colors. Although much rarer, diamonds known as “fancies” also come in blue, red, pink, green, orange, black, lavender and purple. On Mohs’ scale of hardness, diamond is the world’s hardest substance at 10. It has a high luster and primary sources include South Africa, Namibia, Australia, Botswana, Russia, Zaire, Brazil, Ghana, Angola, Central African Republic and Canada.
Color
The most popular diamonds are traditionally colorless, but they can also be found in yellow and brown colors. Although much rarer, diamonds known as “fancies” also come in blue, red, pink, green, orange and black.
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