Hi To Everyone, I Have This Ring That Is A Violet Blue There Are No Marks On The Band Of The Ring. It Has Tested As A Diamond. I Was Wondering If Anyone Might Know The Era In Which The Ring Was Made ? Regards tanias24
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Last edited by tanias24 on Fri Nov 26, 2010 1:40 am, edited 1 time in total.
The Stone Was Tested With The Kefeng Combo Tester. Regards Tanias24
MODEL: DIAMOND COMBO TESTER Product introduction: A multifunctional instrument, novel in design, easy to use and simply to operate. It can distinguish the false product of diamond, Moissanite and CZ, etc. by only one time testing. Built-in Metal detector. Low batteries indicator. Six minute shut-off alert to save battery. Power supply: 3pcs AAA batteries or outer power of 6V.
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Last edited by tanias24 on Fri Nov 26, 2010 12:21 am, edited 1 time in total.
Post subject: Re: Violet Blue Stone Diamond OR Dud
Posted: Fri Nov 26, 2010 2:01 am
Valued Contributor
Joined: Wed Oct 20, 2010 4:20 pm Posts: 139 Location: Australia
me thinks these diamond testers aren't worth the packaging they come in. I've seen alot of these spring up on ebay... Perhaps you should get a host of sample stones and test it on each of them and see its reaction.
I highly doubt that what you have there is a coloured diamond.
Post subject: Re: Violet Blue Stone Diamond OR Dud
Posted: Fri Nov 26, 2010 9:34 am
Established Member
Joined: Fri Nov 12, 2010 8:56 pm Posts: 33
esjayp wrote:
me thinks these diamond testers aren't worth the packaging they come in. I've seen alot of these spring up on ebay... Perhaps you should get a host of sample stones and test it on each of them and see its reaction.
I highly doubt that what you have there is a coloured diamond.
This Product Is New To The Market And Has Been Recommended By A Certified Gem Tester As Being Reliable. The Item Was Not Purchased On Ebay It Was Brought Direct From A Reputable Company. I Did However Look At Ebay. com.au And Ebay.com And Found No Kefeng Combo Tester Available.???For Intrest Sake When Exactly Do You Recall Seeing This Item For Sale On Ebay. Regards tanias247
Post subject: Re: Violet Blue Stone Diamond OR Dud
Posted: Fri Nov 26, 2010 9:48 am
Site Admin
Joined: Fri May 12, 2006 11:24 am Posts: 7523 Location: Rome, Italy
Hi Tanias,
despite we always discourage our members to try a gemstone ID by a picture only, i'm now taking the risk to break the rule: That is NOT a diamond, please try to metabolize the idea you don't have a zillion $$$ stone (that was likely the value of a 20+ carat violet blue diamond...) in your hands. Now, about the diamond tester i dunno what's wrong with it but, again, that is not a diamond, i would suggest you (as others did) to submit the stone to a professional gemologist for id. ciao alberto
Post subject: Re: Violet Blue Stone Diamond OR Dud
Posted: Fri Nov 26, 2010 10:15 am
Gemology Online Veteran
Joined: Thu Jul 30, 2009 9:00 am Posts: 545 Location: new york
I am with Barbra, Stonebender and Alberto.
Like Alberto, I would go as far as breaking the rules and say that it is not a diamond. The size, cut (cabochon) and color makes it more than unlikely. The manufacturing of the ring and the way that the stone sits in the mounting leads me to beleive that the stone has been glued in rather than set. If this was the case, it would not even be a good prognostic for a natural stone or a gold mounting. That being said, keep in mind that these are only impressions from a picture and should be taken as such.
If you would like to know what the stone is, I would recommend that you have it tested by a professional gemologist.
Post subject: Re: Violet Blue Stone Diamond OR Dud
Posted: Fri Nov 26, 2010 11:45 am
Site Admin
Joined: Sun Oct 16, 2005 12:22 pm Posts: 21602 Location: San Francisco
PS...I use an older thermal diamond tester for large jobs and it works like a charm. I have found the new Moissanite/Diamond testers are a little unreliable.
Post subject: Re: Violet Blue Stone Diamond OR Dud
Posted: Fri Nov 26, 2010 12:00 pm
Site Admin
Joined: Fri May 12, 2006 11:24 am Posts: 7523 Location: Rome, Italy
just found the chinese manufacturer here. From the few infos provided it seems the pen "..can distinguish the false product of diamond, Moissanite and CZ, etc. by only one time testing".... (quoted from the description) ciao alberto
Post subject: Re: Violet Blue Stone Diamond OR Dud
Posted: Fri Nov 26, 2010 12:35 pm
Site Admin
Joined: Sun Oct 16, 2005 12:22 pm Posts: 21602 Location: San Francisco
Not to mention (oops I mentioned it) why would someone ever suspect a stone that looked like that to be a diamond? I find that analogous to finding a water color landscape in the closet and suspecting it might be the Mona Lisa. Sure, the Mona Lisa doesn't look anything like it, but hey. Sorry, I don't get it.
And, I have never gotten diamond readings with a thermal tester on corundum. Must be a lot of useless thermal testers out there.
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