Sinhalite (19.10 Carat )
23.25 x 14.01 mm
Stone Type : | Sinhalite |
Stone Shape : | Pear |
Stone Weight : | 19.10 carat |
Length X Width : | 23.25 x 14.01 mm |
Length / Width Ratio : | 1.66 |
Approx Face-up Area : | 237.78 mm² |
Approx Volume : | 1,097.65 mm³ |
How many Colors Available for Sinhalite ?
White , Light Brown , Brown ,
Sinhalite is one of the more recently discovered gemstones of earth-tone brown colors. It was first discovered in Sri Lanka in early 1950's and was named after the country – Sinhala is a Sanskrit name for Sri Lanka.
Name of Stone : | Sinhalite |
Mineral : | Sinhalite |
Shape : | Pear |
Chemical Formula : | MgAlBO4 |
Crystal Structure : | Orthorhombic |
Hardness : | 6-7 |
Specific Gravity : | 3.48 |
Carat weight : | 19.10 carat |
Gram weight : | 3.820 gm |
Ounces weight : | 0.1347 ounces |
Length : | 23.25 mm |
Width : | 14.01 mm |
Length / Width Ratio : | 1.66 |
Average diameter : | 18.63 mm |
Approx Face-up Area : | 237.78 mm² |
Approx Volume : | 1,097.65 mm³ |
Refractive Index : | 1.665 - 1.712 |
Cleavage : | None |
Luster : | Vitreous |
Birefringence : | 0.036 - 0.042 |
Wearability : | Very good |
Birthstone : | Sinhalite 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
2.90 ct - Pear - Sinhalite
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2.30 ct - Quartz - Marquise
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7.60 ct - Peridot - Pear
8.70 ct - Andesine - Trillion
V S
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10.50 ct - Diopside - Trillion
V S
16.70 ct - Beryl - Marquise
17.70 ct - Kyanite - Cushion
V S
18.70 ct - Amethyst - Baguette
16.60 ct - Benitoite - Round
V S
11.00 ct - Diaspore - Round
24.80 ct - Ruby - Marquise
V S
22.00 ct - Spinel - Marquise
29.40 ct - Kunzite - Marquise
V S
29.60 ct - Peridot - Oval
29.60 ct - Diaspore - Baguette
V S
24.80 ct - Kunzite - Pear
33.50 ct - Kunzite - Cushion
V S
36.30 ct - Tanzanite - Pear
32.30 ct - Kunzite - Marquise
V S
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36.80 ct - Amethyst - Pear
0.70 ct - Emerald- Diamond
2.20 ct - Cushion- Diamond
3.50 ct - Marquise- Diamond
2.90 ct - Round- Diamond
2.10 ct - Baguette- Diamond
9.70 ct - Pear- Diamond
17.60 ct - Marquise- Diamond
15.60 ct - Round- Diamond
19.70 ct - Trillion- Diamond
15.40 ct - Oval- Diamond
10.90 ct - Pear- Diamond
17.50 ct - Marquise- Diamond
28.70 ct - Princess- Diamond
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34.40 ct - Round- Diamond
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