Benitoite (6.90 Carat )
16.32 x 9.83 mm
Stone Type : | Benitoite |
Stone Shape : | Pear |
Stone Weight : | 6.90 carat |
Length X Width : | 16.32 x 9.83 mm |
Length / Width Ratio : | 1.66 |
Approx Face-up Area : | 117.04 mm² |
Approx Volume : | 378.04 mm³ |
How many Colors Available for Benitoite ?
White , Light Blue , Blue , Dark Blue ,
Benitoite is a very rare blue gem first discovered in San Benito, California (hence the name). Benitoite is California state’s official gem.
Name of Stone : | Benitoite |
Mineral : | Benitoite |
Shape : | Pear |
Chemical Formula : | BaTiSi3O9 |
Crystal Structure : | Hexagonal |
Hardness : | 6 - 6.5 |
Specific Gravity : | 3.65 |
Carat weight : | 6.90 carat |
Gram weight : | 1.380 gm |
Ounces weight : | 0.0487 ounces |
Length : | 16.32 mm |
Width : | 9.83 mm |
Length / Width Ratio : | 1.66 |
Average diameter : | 13.07 mm |
Approx Face-up Area : | 117.04 mm² |
Approx Volume : | 378.04 mm³ |
Refractive Index : | 1.75-1.80 |
Cleavage : | None |
Luster : | Vitreous |
Birefringence : | 0.047 |
Wearability : | N / A |
Birthstone : | Benitoite 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
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V S
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V S
18.90 ct - Aquamarine - Round
16.10 ct - Amethyst - Emerald
V S
11.80 ct - Diaspore - Princess
29.30 ct - Aquamarine - Oval
V S
28.50 ct - Apatite - Cushion
27.20 ct - Amethyst - Emerald
V S
25.30 ct - Diaspore - Emerald
29.00 ct - Citrine - Trillion
V S
30.00 ct - Beryl - Round
35.90 ct - Diopside - Pear
V S
35.90 ct - Spinel - Cushion
32.20 ct - Citrine - Baguette
V S
35.30 ct - Citrine - Marquise
34.60 ct - Quartz - Cushion
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5.50 ct - Oval- Diamond
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1.20 ct - Marquise- Diamond
5.10 ct - Round- Diamond
19.80 ct - Baguette- Diamond
11.70 ct - Princess- Diamond
12.90 ct - Pear- Diamond
18.20 ct - Baguette- Diamond
10.80 ct - Marquise- Diamond
13.60 ct - Baguette- Diamond
21.30 ct - Round- Diamond
27.00 ct - Baguette- Diamond
29.70 ct - Emerald- Diamond
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27.40 ct - Emerald- Diamond
22.80 ct - Trillion- Diamond
39.20 ct - Oval- Diamond
30.70 ct - Baguette- Diamond
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31.30 ct - Emerald- Diamond
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27.40 ct - Emerald- Diamond
V S
22.80 ct - Trillion- Diamond
39.20 ct - Oval- Diamond
V S
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34.90 ct - Pear- Diamond
V S
31.30 ct - Emerald- Diamond
36.80 ct - Cushion- Diamond
V S
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