DiamondPrincess2.70 Carat7.67 x 7.67 mm |
DiamondCushion8.20 Carat11.75 x 11.75 mm |
Stone Type | |
Diamond | Diamond |
Stone Shape | |
Princess | Cushion |
Stone Weight | |
2.70 carat | 8.20 carat |
Length X Width | |
7.67 x 7.67 mm | 11.75 x 11.75 mm |
Length / Width Ratio | |
1.00 | 1.00 |
Approx Face-up Area | |
58.83 mm² | 124.26 mm² |
Approx Volume | |
153.41 mm³ | 465.91 mm³ |
Mineral | |
Diamond | Diamond |
Chemical Formula | |
C | C |
Crystal Structure | |
Isometric | Isometric |
Hardness | |
10 | 10 |
Specific Gravity | |
3.52 | 3.52 |
Gram weight | |
0.540 gm | 1.640 gm |
Ounces weight | |
0.0190 ounces | 0.0578 ounces |
Refractive Index | |
2.417 - 2.419 | 2.417 - 2.419 |
Cleavage | |
1 | 1 |
Luster | |
Adamantine | Adamantine |
Birefringence | |
None | None |
Wearability | |
Excellent | Excellent |
Birthstone | |
Diamond is a birthstone for the month of April | Diamond is a birthstone for the month of April |
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
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