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Amora Gem: Krupps (Emerald) Cut

  • Studio photo of an Amora Krupps
  • Amora Gem:  Krupps/Emerald cut, computer model
  • Image 3
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Product Description

"Amora Gem:  Krupps (Emerald) Cut"

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Amora Gem in a stunning Krupps (or Emerald with windmills) cut.   We've spent many months of signifcant effort on modeling, refining, testing and perfecting this cut to fully handle the extreme brilliance of the Amora gem.  

The result is a stunning Krupps / Emerald cut uniquely designed for it.  The winning model is shown above in a studio photo, and is now patent pending - 13/482,198.

This cut will be offered in sizes from 8x6mm (1.85ct) to 10x8mm (approx 4ct).  Please note the patent restrictions below that will block the sale to a number of countries in the short term. 

Pricing is $629/ct for F/VS.  E color adds $100/ct premium and D color adds $300/premium. 

 Video is below - please note, the video is underwhelming compared to in person, and we will have it reshot with an actual production Amora Gem Krupps when available.


Amora Gem Details and Info:

The Amora gem is "The Ultimate Gem", and is the first lab gem to surpass diamond by nearly every measure.  

Amora gem is a naturally occurring crystal around very large stars, where it occurs as stardust (See Astronomy & Astrophysics journal, April 1988).  The Amora gem crystal only grows in extremely high temperatures that would quickly vaporize diamond.  Due to the incredibly high temperatures it requires for growth, it is only present on Earth near the Earth's heated core, and it's lack of availability is perhaps one reason that diamond became the most prized gem on Earth.  

However, on 11/11/11 the Amora gem debuted alongside the oldest crystals on our planet (Jack Hills Zircon, 4.4 Billion years old) at the Hungarian Natural History Museum in a display entitled "The Oldest and The Newest", and the patent-pending Amora gem will be available to consumers in select countries for the first time in limited quantities in 2013.

Amora lab grown gem compared to Diamond:

  • 10% more Brilliant than Diamond
  • 200%+ more Fire than Diamond
  • Greater physical stability than Diamond
  • F color - better color than most diamonds
  • Greater Purity than Diamond - Atomically, Ethically, Environmentally
  • Scores significantly better in the 5th C - Cost, oftentimes 40:1 better pricing for comparable color, carat weight and clarity. 
  • Amora Gem is The Ultimate Gem.

Amora lab gem compared to other gems:

  • More brilliant than Moissanite
  • Far better color than Moissanite by Charles and Colvard, and absolutely no green tinting in diffuse lighting (F Color vs. K-N color)
  • 26.7% Harder than Sapphire
  • More brilliant than CZ
  • Harder than CZ

In short, Amora gem is truly the ultimate gem, eclipsing diamond in every measure of optical beauty.  

(Note: For additional details, you may also want to read through our 11/11/11 debut presentation on our message boards here - link )

Incredible Robotic Cutting:

Within a given crystal type, cutting controls 98% of the brilliance.  

Thus, we have devoted significant resources to modeling, cutting, designing and testing the Amora Gem cuts in order to achieve an optimal and maximal balance between the two competing goals of maximum fire and maximum brilliance for Amora gems unique optical properties.  The Amora Asscher design is the final winner of a number of evaluated parameters and proportions and strikes the ultimate balance for both fire and brilliance.  

Amora H&A is now Patent Pending in the US, and we have multiple foreign patents in progress.

Additionally, all Amora Gems will be cut *exclusively* by robot, an industry first.  Robotic cutting enables super-human precision and incredible craftsmanship compared to hand cutting, as the robot only cuts to optimal proportions and exacting symmetry.  This ensures that *every* Amora has unparalleled beauty. 


Due to competing patent restrictions from Charles & Colvard related to SiC gems that covers several crystal sub-types including the Amora gem's crystal structure, Amora H&A may not be available in your country from 2015 to as late as 2016 - whenever the related patent expires.  

Some common questions:

1 - Can I purchase an Amora Gem in the future?

Depends on where you live - you can view the 'ban list' of where Charles and Colvard current patent restricts us from selling to (until on average, 2015/2016) here:

Amora Gem Banned Country list

Customers in India, New Zealand, Singapore and many other locations will be able to order as soon as we launch in 2013.

2 - What will the Amora Gem cost?

On average, $629/ct.  

We will also note this - Amora H&A is not designed to be made in a cost cutting manner to meet a price point or maximize the amount of finished carat weight from each stone cut.  Rather, it is the ultimate gem and thus it has one goal - to be the most beautiful lab gem on the planet.  

And that means we do not design, cut, or produce to compete on price.  We compete solely on beauty and every decision involved is made with that focus.  However, compared to H&A natural diamonds, we think you will be very pleased with the comparison in every way, and especially price.


2ct F color, VS, H&A round natural diamond:  $47,336

2ct F color, VS, H&A Amora gem:  $1,000

In other words, at about 2% of the natural diamond price, you could purchase the same 4C quality grade (cut/color/clarity/carat) Amora gem, even while Amora gem exceeds diamond in terms of optical beauty (i.e. 10% more brilliant than diamond and over 200%+ more fire).

3 - What color grade will the Amora Gem be offered in?

D/E/F color, true colorless on the GIA Diamond grading scale.

4 - What are the dimensions of the Amora Gem Krupps/Emerald cut?

Width x Length  Depth (mm)
6.00 X 7.72 4.20
6.5 X 8.36 4.55
7.00 X 9.00 4.90
7.50 X 9.65 5.25
8.00 X 10.29 5.60
8.50 X 10.93 5.95
9.00 X 11.57 6.30
9.50 X 12.22 6.65
10.00 X 12.86 7.00


Other Details

Amora vs. Diamond - Brilliance:
RI: 2.66 - 2.71 vs. 2.42 (Amora, +10%)
Amora vs. Diamond - Fire:
Dispersion: .104 vs. 044 (Amora, +136%)
Amora vs. Diamond - Color:
F color F Color (Draw)
Amora vs. Diamond - Independent Grading:
Yes Yes (Draw)
Amora vs. Diamond - Ethical / Environmental Concerns:
None Maybe (Advantage - Amora)
Amora vs. Diamond - Physical Stability:
Excellent Good (Advantage - Amora)
Amora vs. Diamond - Pricing (2ct, H Color VS):
$1058 $21,148 (Amora, +1,998% )

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