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Platinum Question

P: 5/9/2006 2:45:32 PM
DiaLil Rough Rock Total Posts: 41 Last Post: 9/1/2009 Member Since: 4/24/2006	I am considering a platinum mounting to put my marquise in. It is from Jared's and is stamped Plat. There is not a 950 before or after Plat. Should I be concerned this is not fully platinum. Thank you for your help. DiaLil Love them diamonds
Posted: 5/9/2006 2:45:32 PM

There are 7 replies to this message. There are 7 replies on this page.

P: 5/9/2006 2:48:46 PM
FireGoddess Ideal Rock Total Posts: 12,145 Last Post: 3/23/2009 Member Since: 1/25/2005	Plat, Plat 950, 950, and PT950 usually denote 95% platinum, but if you want to be extra sure, give them a call...
Posted: 5/9/2006 2:48:46 PM

P: 5/9/2006 3:00:55 PM
sunkist Ideal Rock Total Posts: 2,720 Last Post: 11/23/2009 Member Since: 11/15/2005	Has anyone heard of using 100% Platinum in a ring, instead of 95%? I saw a men's ring yesterday and they guy told me it was 100% and told me how 'wonderful' it was.
Posted: 5/9/2006 3:00:55 PM

P: 5/9/2006 3:38:05 PM
JohnQuixote Ideal Rock Total Posts: 5,212 Last Post: 5/24/2008 Member Since: 9/9/2004	Date: 5/9/2006 3:00:55 PM Author: sunkist Has anyone heard of using 100% Platinum in a ring, instead of 95%? I saw a men's ring yesterday and they guy told me it was 100% and told me how 'wonderful' it was. That's unusual. You could probably make a special request to have a 100% platinum piece cast, but it would be considered impractical/too soft in the industry. If the stamp says 100% platinum it may have been done that way...(?) It's possible he meant that the ring was made entirely from the platinum family of metals: Platinum is commonly alloyed with iridium or ruthenium, which are in the same family. The others: Palladium, used mostly for gold alloys to produce white gold. Rhodium, used as a plating finish for jewelry and silverware, and osmium, as dense as iridium but not associated with fine jewelry as it oxidizes easily. John __________________________ John Pollard Whiteflash Director of Education 2004-2007
Posted: 5/9/2006 3:38:05 PM

P: 5/9/2006 3:49:55 PM
JohnQuixote Ideal Rock Total Posts: 5,212 Last Post: 5/24/2008 Member Since: 9/9/2004	Date: 5/9/2006 2:48:46 PM Author: FireGoddess Plat, Plat 950, 950, and PT950 usually denote 95% platinum, but if you want to be extra sure, give them a call... FG is right. 950 can be marked "Platinum" without the use of any qualifying statements. Requirements have changed over time. Some early pieces marked "Plat" or "Platinum" might fail modern standards - a FYI for estate sale shoppers. Federal Trade Commission information. John __________________________ John Pollard Whiteflash Director of Education 2004-2007
Posted: 5/9/2006 3:49:55 PM

P: 5/9/2006 4:39:49 PM
WestsideLisa Rough Rock Total Posts: 44 Last Post: 8/7/2006 Member Since: 2/1/2006	Mark Morrell has some interesting information about Platinum on his site. He uses Platinum 900. http://www.mwmjewelry.com/platinum_purity.htm
Posted: 5/9/2006 4:39:49 PM

P: 5/9/2006 7:54:03 PM
sasquatch Rough Rock Total Posts: 6 Last Post: 5/15/2006 Member Since: 5/4/2006	Date: 5/9/2006 3:00:55 PM Author: sunkist Has anyone heard of using 100% Platinum in a ring, instead of 95%? I saw a men's ring yesterday and they guy told me it was 100% and told me how 'wonderful' it was. I don't think there is such thing as 100%. I've seen gold/silver/platinum bars marked with 999.9 or something like that. My everyday wedding band is 999.5 platinum. For special occasions, I wear my 24K wedding band.
Posted: 5/9/2006 7:54:03 PM

P: 5/9/2006 8:50:02 PM
Gypsy Ideal Rock Total Posts: 14,306 Last Post: 11/20/2009 Member Since: 8/9/2005	Date: 5/9/2006 4:39:49 PM Author: WestsideLisa Mark Morrell has some interesting information about Platinum on his site. He uses Platinum 900. http://www.mwmjewelry.com/platinum_purity.htm Anyone know which of these 950's Quest uses? I'm going to have to ask Peter. Poor Man. I'm so nervous about this custom setting.
Posted: 5/9/2006 8:50:02 PM

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