Chrysoberyl (7.70 Carat )
20.01 x 10.00 mm
Stone Type : | Chrysoberyl |
Stone Shape : | Marquise |
Stone Weight : | 7.70 carat |
Length X Width : | 20.01 x 10.00 mm |
Length / Width Ratio : | 2.00 |
Approx Face-up Area : | 142.09 mm² |
Approx Volume : | 416.17 mm³ |
How many Colors Available for Chrysoberyl ?
Light Yellow , Yellow , Light Yellowish Green , Yellowish Green , Dark Yellowish Green , Light Green , Green , Dark Green ,
Chrysoberyl is a name for a family of gemstones that includes the famous color-changing Alexandrite. Ordinary chrysoberyl is usually yellowish-green in color. Tough and durable gem.
Name of Stone : | Chrysoberyl |
Mineral : | Chrysoberyl |
Shape : | Marquise |
Chemical Formula : | BeAl2O4 |
Crystal Structure : | Orthorhombic |
Hardness : | 8.5 |
Specific Gravity : | 3.7 |
Carat weight : | 7.70 carat |
Gram weight : | 1.540 gm |
Ounces weight : | 0.0543 ounces |
Length : | 20.01 mm |
Width : | 10.00 mm |
Length / Width Ratio : | 2.00 |
Average diameter : | 15.00 mm |
Approx Face-up Area : | 142.09 mm² |
Approx Volume : | 416.17 mm³ |
Refractive Index : | 1.744-1.755 |
Cleavage : | 1,1 ; 3,2 |
Luster : | Vitreous |
Birefringence : | 0.009 |
Wearability : | Durable gem for daily wear |
Birthstone : | Chrysoberyl is not an official birthstone for any month |
Before purchasing a diamond, one should make sure it looks its weight. It's important to understand that carat weight does not equal face-up size.
Two diamonds of exactly the same weight (and shape) can vary quite considerably in face-up size. This depends on the proportions of the cut (e.g., deep cuts will face up smaller)..
Face-up area is a measure of the size of the diamond when viewed from the top view.
It tells you how big the diamond is at the girdle plane. It's important for a diamond to have sufficient face-up size for its carat weight
Diamond prices vary greatly as they depend on the combination of unique characteristics (4Cs - Cut, Color, Clarity, and Carat). For best value, it's important to choose the combination that will reduce the price without having a negative impact on appearance.
You also need to consider some of the following points as well
- Strong blue fluorescence.
- Fair or Poor symmetry.
- Extremely thin or extremely thick girdle.
- Inclusions visible to the naked eye.
- Diamond Certification.
Blue fluorescence can have a positive, negative, or zero effect on a diamond. Diamonds in the lower color range (H or lower) can benefit from it, as it can make them look whiter, more colorless. On the other hand, strong fluorescence can cause a stone (especially in the higher color range D-G) to appear hazy or milky under certain light conditions. One of the biggest benefits of fluorescent diamonds is that they generally cost less.
Blue fluorescence can be found in 35% of naturally mined diamonds and it makes the stone glow under UV light. Outside of UV lighting environments, there are no visual differences between fluorescent and non-fluorescent diamonds.
However, there exists a big difference in pricing between these diamonds. In the industry, diamonds with fluorescence are usually traded at a 10-15% discount and can go as high as 25% for higher colored diamonds.
GIA grades fluorescence as None, Faint, Medium, Strong, and Very Strong.
There are Many Laboratory Available which provides certification for Gemstones.
- GIA - Gemological Institute of America
- AGS - American Gemological Society
- HRD - The Hoge Raad voor Diamant
- IGI - International Gemological Institute
- EGL - European Gemological Laboratories
- GSI - Gemological Science International
*Different certification labs give different results
Piecut Diamonds are set of small Diamonds, which are cut & polished with Precised Measurements to look like a Single Solitaire diamond which can save 80% to 85% from Solitaire Single Piece Price.
Shapes of Pie Cut Diamonds.
- 9 Pcs Emerald
- 9 Pcs Round
- 4 Pcs Round
- 3 Pcs Heart
- 4 Pcs Oval
- 4 Pcs Pear
- 4 Pcs Marquise
- 5 Pcs Star
Click here for More Information
8.20 ct - Marquise - Chrysoberyl
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1.20 ct - Aquamarine - Pear
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7.70 ct - Chrysoberyl - Pear
11.20 ct - Beryl - Emerald
13.50 ct - Aquamarine - Trillion
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10.40 ct - Aquamarine - Emerald
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V S
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3.20 ct - Benitoite - Marquise
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1.20 ct - Aquamarine - Pear
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7.70 ct - Chrysoberyl - Pear
11.20 ct - Beryl - Emerald
V S
13.50 ct - Aquamarine - Trillion
18.80 ct - Apatite - Trillion
V S
10.40 ct - Aquamarine - Emerald
11.90 ct - Emerald - Princess
V S
11.10 ct - Alexandrite - Pear
21.50 ct - Peridot - Cushion
V S
29.90 ct - Aquamarine - Marquise
23.80 ct - Ruby - Baguette
V S
28.50 ct - Hiddenite - Trillion
25.20 ct - Chrysoberyl - Round
V S
24.60 ct - Beryl - Princess
37.10 ct - Citrine - Cushion
V S
33.40 ct - Kunzite - Round
38.00 ct - Apatite - Marquise
V S
35.90 ct - Diopside - Pear
30.10 ct - Tanzanite - Emerald
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38.00 ct - Benitoite - Oval
0.60 ct - Trillion- Diamond
9.70 ct - Princess- Diamond
2.50 ct - Cushion- Diamond
1.80 ct - Trillion- Diamond
6.10 ct - Baguette- Diamond
4.30 ct - Marquise- Diamond
17.30 ct - Round- Diamond
15.70 ct - Round- Diamond
11.50 ct - Emerald- Diamond
18.40 ct - Emerald- Diamond
19.90 ct - Trillion- Diamond
16.30 ct - Pear- Diamond
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27.40 ct - Pear- Diamond
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20.60 ct - Round- Diamond
24.80 ct - Emerald- Diamond
30.60 ct - Trillion- Diamond
37.00 ct - Cushion- Diamond
35.80 ct - Trillion- Diamond
32.20 ct - Baguette- Diamond
36.00 ct - Marquise- Diamond
36.80 ct - Trillion- Diamond
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2.50 ct - Cushion- Diamond
V S
1.80 ct - Trillion- Diamond
6.10 ct - Baguette- Diamond
V S
4.30 ct - Marquise- Diamond
17.30 ct - Round- Diamond
V S
15.70 ct - Round- Diamond
11.50 ct - Emerald- Diamond
V S
18.40 ct - Emerald- Diamond
19.90 ct - Trillion- Diamond
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26.30 ct - Emerald- Diamond
V S
23.60 ct - Oval- Diamond
27.40 ct - Pear- Diamond
V S
22.70 ct - Baguette- Diamond
20.60 ct - Round- Diamond
V S
24.80 ct - Emerald- Diamond
30.60 ct - Trillion- Diamond
V S
37.00 ct - Cushion- Diamond
35.80 ct - Trillion- Diamond
V S
32.20 ct - Baguette- Diamond
36.00 ct - Marquise- Diamond
V S
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