Hiddenite (20.70 Carat )
16.58 x 16.58 mm
Stone Type : | Hiddenite |
Stone Shape : | Cushion |
Stone Weight : | 20.70 carat |
Length X Width : | 16.58 x 16.58 mm |
Length / Width Ratio : | 1.00 |
Approx Face-up Area : | 247.27 mm² |
Approx Volume : | 1,301.79 mm³ |
How many Colors Available for Hiddenite ?
Light Yellowish Green , Yellowish Green , Light Green , Green ,
Hiddenite is a yellowish-green or emerald-green variety of the Spodumene mineral family. It was named after its discoverer William Earl Hidden (1853–1918). Most valued gems are those of rich green color.
Name of Stone : | Hiddenite |
Mineral : | Spodumene |
Shape : | Cushion |
Chemical Formula : | LiAlSi2O6 |
Crystal Structure : | Monoclinic |
Hardness : | 6.5 - 7 |
Specific Gravity : | 3.18 |
Carat weight : | 20.70 carat |
Gram weight : | 4.140 gm |
Ounces weight : | 0.1460 ounces |
Length : | 16.58 mm |
Width : | 16.58 mm |
Length / Width Ratio : | 1.00 |
Average diameter : | 16.58 mm |
Approx Face-up Area : | 247.27 mm² |
Approx Volume : | 1,301.79 mm³ |
Refractive Index : | 1.66 - 1.68 |
Cleavage : | 1,2 - prismatic |
Luster : | Vitreous |
Birefringence : | 0.015 |
Wearability : | Very good |
Birthstone : | Hiddenite 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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25.90 ct - Quartz - Marquise
20.90 ct - Sapphire - Cushion
20.80 ct - Kunzite - Trillion
29.60 ct - Kyanite - Oval
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V S
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1.20 ct - Beryl - Pear
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2.10 ct - Diopside - Emerald
18.10 ct - Diopside - Trillion
V S
14.50 ct - Emerald - Baguette
11.80 ct - Kyanite - Round
V S
19.50 ct - Aquamarine - Cushion
19.70 ct - Peridot - Emerald
V S
18.80 ct - Emerald - Marquise
20.60 ct - Sapphire - Round
V S
25.10 ct - Morganite - Oval
25.90 ct - Quartz - Marquise
V S
20.90 ct - Sapphire - Cushion
20.80 ct - Kunzite - Trillion
V S
29.60 ct - Kyanite - Oval
33.80 ct - Benitoite - Cushion
V S
39.50 ct - Kunzite - Marquise
36.80 ct - Aquamarine - Oval
V S
37.90 ct - Diopside - Round
36.20 ct - Emerald - Pear
V S
39.20 ct - Tanzanite - Cushion
4.30 ct - Trillion- Diamond
6.00 ct - Baguette- Diamond
5.20 ct - Baguette- Diamond
5.30 ct - Baguette- Diamond
4.70 ct - Cushion- Diamond
2.40 ct - Baguette- Diamond
19.40 ct - Baguette- Diamond
14.70 ct - Baguette- Diamond
16.00 ct - Princess- Diamond
11.60 ct - Emerald- Diamond
10.90 ct - Marquise- Diamond
10.40 ct - Marquise- Diamond
26.60 ct - Baguette- Diamond
25.30 ct - Emerald- Diamond
29.70 ct - Princess- Diamond
21.00 ct - Princess- Diamond
27.50 ct - Baguette- Diamond
21.40 ct - Trillion- Diamond
32.10 ct - Trillion- Diamond
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39.00 ct - Marquise- Diamond
34.80 ct - Baguette- Diamond
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16.00 ct - Princess- Diamond
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11.60 ct - Emerald- Diamond
10.90 ct - Marquise- Diamond
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10.40 ct - Marquise- Diamond
26.60 ct - Baguette- Diamond
V S
25.30 ct - Emerald- Diamond
29.70 ct - Princess- Diamond
V S
21.00 ct - Princess- Diamond
27.50 ct - Baguette- Diamond
V S
21.40 ct - Trillion- Diamond
32.10 ct - Trillion- Diamond
V S
39.00 ct - Emerald- Diamond
39.00 ct - Marquise- Diamond
V S
34.80 ct - Baguette- Diamond
36.60 ct - Cushion- Diamond
V S
30.50 ct - Pear- Diamond