What color options do I have for the Asha® I'm interested in? i.e. Can I get a 2ct round in, say, D color?
All Asha® stones are color graded by an independent GIA certified gemologist after they are created (the average grade is F color). The stones are then listed on our website using the grading t...
What is the latest version of Asha available?
Version 6 Asha is the latest version, and has been available since February 4, 2008. However, it is only being offered in limited cuts, so version 5 is still the default product. Unless otherwise...
What is the difference between version 4 Asha® and version 5 (v4 vs v5)?
Asha® is currently offered almost entirely in version 5, with a few exceptions as specifically noted on an items web page. Both versions use an amorphous diamond infusion process. However, ver...
Any instructions for having my jeweler / setter set my Asha?
Most any competent setter or jeweler can set your Asha diamond simulant for you - if they can set a CZ, they can set an Asha which is more durable than regular CZ. There are just a few tips needed...
Will Asha test positive on a diamond tester?
No, it will not. For a product that is real diamond, but lab grown, please see our Takara cultured diamonds here. Even though the exterior of an Asha contains a multitude of tiny diamond crystals (...
Is the Asha carat size equivalent to natural diamond carat sizes?
Yes, the sizes of Asha are cut to the same size dimensions as natural diamonds, and the Asha's are already listed in diamond weight equivalents on the website. Thus, the dimensions of a 2ct well-cut...
What is the type of diamond used in creating the Asha diamond simulant?
Our Asha® diamond simulants are created using an infusion of exceptionally pure "Amorphous Diamond". This amorphous diamond is created using a patent pending nanotechnology process, is man-mad...
Will the Asha amorphous diamond coating flake/peel off?
No, our testing showed that this is not a concern. Because the type of diamond employed is Amorphous Diamond instead of crystalline diamond, it has a much more flexible molecular structure, which ...
Is the Asha singly refractive like diamond, or doubly refractive like moissanite?
Asha is singly refractive, just like diamond. Moissanite is doubly refractive, which is why it will look blurry rather than crisp when viewed at close quarters. More details: A gem quality di...
How do I clean my new Asha?
For everyday cleaning, we recommend Gemcare as a wonderful and safe way to keep all your gemstones and metals sparkling. Otherwise, due to its amorphous diamond exterior, any chemical cleaner used...
How does Asha compare to other diamond simulants?
...ay wish to view the details of these tests and their results here: http://www.betterthandiamond.com/asha5/index.php You can see the difference our ADT/optical layer makes when compared to a plain CZ ...
What do the color grades for Asha mean (i.e. 'F' color or 'H' color)?
The color grades shown next to each Asha shape and size are their colors on the GIA Diamond color scale. We have the Ashas reviewed and color graded after the coating run, and they are graded the ...
What color of Asha is the most realistic? What color is best?
Asha's are graded on the same color scale as natural diamonds, and thus no color is more realistic than another, because natural diamonds are available in the same exact colors. Thus, an F color As...
Do you offer a marquise cut Asha?
Unfortunately the answer is that we do not offer a marquise cut and have no plans to offer it in the future.
Can I order a custom cut Asha? (i.e. a 5ct or 6ct pear Asha?)
Unfortunately, our manufacturing process precludes us from offering individual, custom cut Ashas. The amorphous diamond coating process coats roughly 50 Ashas at a time, and they must be of identical...
What is the clarity grade of the Asha diamond simulant?
Update for Version 6: The clarity of the Asha was previously always IF (Internally Flawless). However, the high heat process of applying the optical coating for version 6 will generate sporadic f...
What about Diamond Nexus Labs - what is their product? Lab grown diamond?
Diamond Nexus Labs "lab-grown diamond" has been tested by multiple labs (3 Independent Materials Analysis Labs) and in all cases, the product has repeatedly been shown to be ordinary CZ. Summary ...
What is the difference between version 5 Asha and version 6 (v5 vs v6)?
Version 6 Asha in production... Update (7/2/2008) - Asha's version 6 production process is now patent pending: U.S. Patent Application No. 12/139,931 -- Method for Producing a Highly Refractive...
Sona Diamond Simulant - Information and Review (XPS analysis)
Sona Diamond Simulant has made a number of claims about their product, including statements that it is a non-CZ simulant created by high-pressure melding of natural diamond and sapphire, and that it h...
Is the Asha patented or patent-pending?
Asha is a Patented Product: US Patent: 8,056,363 "Method for Producing a Highly Refractive Composite Gemstone, and Product"
Issue Date: 11/15/2011 It should further be noted that currently, with...