Ruby (38.70 Carat )

25.56 x 17.05 mm
Stone Type : | Ruby |
Stone Shape : | Oval |
Stone Weight : | 38.70 carat |
Length X Width : | 25.56 x 17.05 mm |
Length / Width Ratio : | 1.50 |
Approx Face-up Area : | 357.25 mm² |
Approx Volume : | 1,934.93 mm³ |
How many Colors Available for Ruby ?
Light Red , Red , Dark Red ,



Ruby is a red to pink variety of the mineral Corundum. Its name comes from the Latin word "ruber", which simply means "red". Most Rubies on the market are heat-treated to enhance their color and clarity.
Name of Stone : | Ruby |
Mineral : | Corundum |
Shape : | Oval |
Chemical Formula : | Al2O3 |
Crystal Structure : | Hexagonal |
Hardness : | 9 |
Specific Gravity : | 4 |
Carat weight : | 38.70 carat |
Gram weight : | 7.740 gm |
Ounces weight : | 0.2730 ounces |
Length : | 25.56 mm |
Width : | 17.05 mm |
Length / Width Ratio : | 1.50 |
Average diameter : | 21.30 mm |
Approx Face-up Area : | 357.25 mm² |
Approx Volume : | 1,934.93 mm³ |
Refractive Index : | 1.76 - 1.77 |
Cleavage : | None |
Luster : | Vitreous to adamantine |
Birefringence : | 0.0008 |
Wearability : | Excellent |
Birthstone : | Ruby is a birthstone for the month of July |
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
2.40 ct - Aquamarine - Pear
9.50 ct - Apatite - Princess
8.50 ct - Kunzite - Oval
4.20 ct - Tanzanite - Marquise
9.60 ct - Citrine - Round
9.30 ct - Alexandrite - Baguette
13.50 ct - Emerald - Princess
16.90 ct - Emerald - Baguette
10.30 ct - Citrine - Marquise
19.10 ct - Quartz - Round
18.00 ct - Peridot - Oval
19.20 ct - Ruby - Princess
22.50 ct - Kyanite - Marquise
23.90 ct - Beryl - Pear
25.30 ct - Apatite - Round
23.30 ct - Andesine - Princess
28.80 ct - Beryl - Trillion
21.60 ct - Sapphire - Cushion
36.60 ct - Andesine - Baguette
30.60 ct - Diopside - Round
36.30 ct - Tanzanite - Trillion
30.10 ct - Kyanite - Cushion
33.60 ct - Sapphire - Cushion
36.30 ct - Apatite - Princess
V S
9.50 ct - Apatite - Princess
8.50 ct - Kunzite - Oval
V S
4.20 ct - Tanzanite - Marquise
9.60 ct - Citrine - Round
V S
9.30 ct - Alexandrite - Baguette
13.50 ct - Emerald - Princess
V S
16.90 ct - Emerald - Baguette
10.30 ct - Citrine - Marquise
V S
19.10 ct - Quartz - Round
18.00 ct - Peridot - Oval
V S
19.20 ct - Ruby - Princess
22.50 ct - Kyanite - Marquise
V S
23.90 ct - Beryl - Pear
25.30 ct - Apatite - Round
V S
23.30 ct - Andesine - Princess
28.80 ct - Beryl - Trillion
V S
21.60 ct - Sapphire - Cushion
36.60 ct - Andesine - Baguette
V S
30.60 ct - Diopside - Round
36.30 ct - Tanzanite - Trillion
V S
30.10 ct - Kyanite - Cushion
33.60 ct - Sapphire - Cushion
V S
36.30 ct - Apatite - Princess
4.80 ct - Trillion- Diamond
6.80 ct - Cushion- Diamond
5.00 ct - Marquise- Diamond
5.80 ct - Emerald- Diamond
2.90 ct - Emerald- Diamond
2.30 ct - Emerald- Diamond
14.70 ct - Cushion- Diamond
13.60 ct - Oval- Diamond
10.80 ct - Marquise- Diamond
16.90 ct - Trillion- Diamond
17.00 ct - Baguette- Diamond
11.60 ct - Round- Diamond
27.40 ct - Cushion- Diamond
25.30 ct - Baguette- Diamond
21.60 ct - Marquise- Diamond
22.60 ct - Trillion- Diamond
25.00 ct - Round- Diamond
20.90 ct - Marquise- Diamond
33.50 ct - Round- Diamond
32.60 ct - Pear- Diamond
30.80 ct - Cushion- Diamond
31.50 ct - Princess- Diamond
34.90 ct - Oval- Diamond
32.40 ct - Cushion- Diamond
V S
6.80 ct - Cushion- Diamond
5.00 ct - Marquise- Diamond
V S
5.80 ct - Emerald- Diamond
2.90 ct - Emerald- Diamond
V S
2.30 ct - Emerald- Diamond
14.70 ct - Cushion- Diamond
V S
13.60 ct - Oval- Diamond
10.80 ct - Marquise- Diamond
V S
16.90 ct - Trillion- Diamond
17.00 ct - Baguette- Diamond
V S
11.60 ct - Round- Diamond
27.40 ct - Cushion- Diamond
V S
25.30 ct - Baguette- Diamond
21.60 ct - Marquise- Diamond
V S
22.60 ct - Trillion- Diamond
25.00 ct - Round- Diamond
V S
20.90 ct - Marquise- Diamond
33.50 ct - Round- Diamond
V S
32.60 ct - Pear- Diamond
30.80 ct - Cushion- Diamond
V S
31.50 ct - Princess- Diamond
34.90 ct - Oval- Diamond
V S
32.40 ct - Cushion- Diamond