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Ready to ship jewelry
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Asha® Diamond Simulant
Takara Cultured 
Diamonds
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Frequently Asked Questions

Home > FAQ

 1. How do you package my order (I don't want people to know I ordered a simulant!)
 2. Instructions for my jeweler on setting an Asha® diamond simulant?
 3. What is the difference between version 4 Asha®
and version 5?

 4. What is the newest version of Asha®?

 5. What color options are there for the Asha®?
 6. How long until I receive my order?
 7. Will Asha® test positive on a diamond tester?
 8. Carat weight comparison
 9. What is a Takara cultured diamond?
10. What alloys do you use to make your platinum?
11. Do you rhodium plate your white gold?

12. What is the type of diamond used for Asha®?
13. Will the coating chip off?


If you can't find an answer to your question, please feel free to email us.

7. 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 (Amorphous diamond), it also contains some SP2 bonds instead
of only SP3 as in gem diamond. Thus, the heat signature is different and this is
reflected when testing by a diamond tester.

Note that diamond testers simply measure *heat conductivity*, they do not
actually detect the presence of "SP3 carbon, or diamond". Thus, traditional
diamond testers are sometimes also fooled by colorless sapphire and
moissanite.

However, if you are buying moissanite solely because you believe it will test
positive on a diamond tester, you should be aware that current diamond
testers now can differentiate between diamond and moissanite
.  

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8. Carat weight comparison
Q:
If I ordered a 2 carat Asha diamond simulant would it be the same size as a
diamond?

A: 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 diamond and 2ct Asha are identical, so
you can just order the carat weight you want, and it is already calibrated to
match that of natural diamonds.

Example: a round H&A 1ct diamond is 6.5mm diameter, the Asha 1ct H&A round
is also 6.5mm diameter.

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9. What is a Takara cultured diamond?

Takara Cultured Diamonds are pure diamonds, grown in a laboratory instead of
mined. Thus, like mined diamonds, Takara's are composed of 99.99% carbon, in
an isometric crystal structure, same as mined diamonds.

Takara's are *not* mis-labeled cz's, a new form of moissanite, etc. - they are
pure diamond that nature grew above ground because mankind created the
proper conditions for diamonds to grow.

Because they are real diamond, Takara's come with a full EGL fancy color
diamond grading report, the same report that is issued with mined diamonds,
except a notation that their origin is man-made.

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10. What alloys do you use to make your platinum?

We combine either ruthenium or iridium with platinum to make our platinum for
our jewelry. The typical percentage is 95% platinum, 5% ruthenium.

We *never* use cobalt to create our platinum, as cobalt tends to oxidize very
quickly and produce darker, duller platinum.

Both ruthenium and iridium produce platinum with exceptional luster and shine.

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11. Do you rhodium plate your white gold?

Yes, we always rhodium plate our white gold jewelry, such as rings, earrings
and pendants.

The reason we do this is because white gold is really a combination of a white
metal (normally nickel) mixed in with yellow gold. The white metal helps to
whiten out the yellow gold, but compared to a natively white metal such as
platinum, it is obvious that it still has a yellow tint.

Thus, we almost always plate the white gold with rhodium, a sister metal to
platinum, to give it the true white finish similar to platinum jewelry.

Rhodium plating also helps to impart a hypo-allergenic coating to the jewelry
item, as both platinum and rhodium are hypo-allergenic.

Over time, the rhodium plating will wear off, and you will need to have it re-
plated (usually every two years). However, white gold with rhodium produces
a much more lustrous, hypo-allergenic, and white finish than white gold that
is not plated.

Hence, why we rhodium plate our jewelry (except for white gold prongs,
where the rhodium would wear off too quickly) as part of every white gold
purchase.

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Content and images, copyright 2007, BetterThanDiamond.com