Hi all,
We've sent an uncoated and coated Asha off to an independent testing lab in order to further "show" our coating and the difference it makes. (http://www.fdsc.com)

We just got the results back this morning,and I am pleased to show the photos of the results. The test is called 'contact angle goniometry" and basically uses a tiny drop of water and then measures the way the water beads on the surface to determine surface properties.

We have long known that the amorphous diamond helps customers stones stay cleaner longer (as it has a coefficient of friction lower than teflon), and this test is a good visual to show the difference.

Here is an uncoated Asha CZ core (note how the water beads very tightly):



Now compare how the water drop goes almost flat on an amorphous diamond infused Asha:



The difference is 98.5 degrees (uncoated) vs. 31.7 (coated), or basically 300% difference. We think this helps address those competitors who say the amorphous diamond coating "doesn't make any difference".

We learned that this test is routinely done at other diamond coating plants as a way to prove to their customer that they had diamond coated, and we were excited to have ours tested and share the results.

(Of interest, a cruder test used to be done to try and differentiate diamond from CZ by putting a line of ink on the stone - if it beaded, it was CZ, if it stayed flat, diamond...).

Anyway, hopefully people will find this more understandable than our previously shown Raman results

(Of interest, this type of testing has been used to authenticate historical coins as being legit or fraudulent, its a very slick test).

Best regards,
Less

Very cool! Thanks for posting this, Less-I know visual aids always help me!

Wow that is SO interesting! Thank for sharing this Less!

Thanks Less. Great visual.

Fascinating! Thanks, Less!

Thanks Less, everyday I learn something new here!

This is so way cool!!!

Wow, that is so neat!
Really illustrates what a difference the coating makes.

i love the visual...... really seeing the difference makes me want an asha even more

Thank you, Less! That made me want the Asha Radiant more than ever now!

Just curious.. what does the water do on a natural diamond?

It runs. It beads up on a CZ.

So does the ASHA not cloud and scratch like normal CZ? A jeweler told me today a CZ is a CZ no matter what they may try and say and it will cloud with regular wear as a CZ.

You can look through some of the long time members' posts here and see that their ashas have not clouded. The fact that they are still here and are buying ashas attests to it's durablity and wear. As for scratching, it depends how hard you are on your ring. Diamonds and all sims will scratch if you ding them just the right way.

I baby all my rings and so far, all my ashas are pristine!

Thank you! That's what I was hoping to hear from someone who owns an ASHA.

cool!

Your jeweler who told you this is about 30 years out of date and needs to do some continuing education. When CZ's first came out in the early 70's this was true, but it was soon discovered how to stabilize the CZ and reduce the size of the pores in the crystaline structure of the stone. Normal CZs do not cloud up any more.

Scratch, yes, cloud, no.

Wink

Thanks less that is really cool!

Sorry I didn't know where else to post this...
BUT boooooo I don't like this site

http://whispersluxuryjewelry.com/lannyte_simulant_comparision.html

Yay Less. Less is more!!!

Wow good visual!