What is MM size of 4.00 carat Round Andesine ?

Andesine (4.00 Carat )

10.86 x 10.86 mm

Stone Type : Andesine
Stone Shape : Round
Stone Weight : 4.00 carat
Length X Width : 10.86 x 10.86 mm
Length / Width Ratio : 1.00
Approx Face-up Area : 92.65 mm²
Approx Volume : 299.63 mm³

How many Colors Available for Andesine ?

Light Red , Red , Dark Red , Orangey Red , Light Orange , Orange ,

Light Red Red Dark Red Orangey Red Light Orange Orange
Andesine Details...

Andesine is a somewhat new gem, first appearing on the market in 2003. It was originally found in the Andes Mountains of South America, hence the name. It is typically reddish and orange in color.

Name of Stone : Andesine
Mineral : Plagioclase feldspar
Shape : Round
Chemical Formula : (Ca,Na)(Al,Si)4O8
Crystal Structure : Triclinic
Hardness : 6 - 6.5
Specific Gravity : 2.67
Carat weight : 4.00 carat
Gram weight : 0.800 gm
Ounces weight : 0.0282 ounces
Length : 10.86 mm
Width : 10.86 mm
Length / Width Ratio : 1.00
Average diameter : 10.86 mm
Approx Face-up Area : 92.65 mm²
Approx Volume : 299.63 mm³
Refractive Index : 1.560 - 1.568
Cleavage : 2,1 - basal ; 2,1 - prismatic ; 3,1 - pinacoidal
Luster : Vitreous
Birefringence : 0.008
Wearability : Good
Birthstone : Andesine is not an official birthstone for any month
Diamond Guidelines 4Cs and More

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