(Closed) Setting small diamonds into palladium?

posted 4 years ago in Rings
Post # 2
Member
1627 posts
Bumble bee
  • Wedding: July 2012

My OEC halo is all diamond side stones in palladium, 3 years in I’ve yet to have one fall out. 

Post # 3
Member
1656 posts
Bumble bee
  • Wedding: July 2009

View original reply
pinkcarnation :  I’m not sure where the jeweler is coming from…does this shop work much with palladium?  Did they give a clear reason, because what they are saying is not consistent with the metal.Palladium holds stones very well — I would never choose high maintenance white gold over platinum or palladium.  You set stones the same in palladium and platinum (they don’t spring like gold). I wonder if they have the equipment. Usually, a bench will have dedicated finishing files, abrasives and the like for each of the metals: gold, platinum, palladium, and silver. Platinum and palladium share many steps from casting to fishing, but they can’t share stuff to do the finishing. But, saying that it does not hold stones as well is concerning and would make me question their experience. 

The technical stuff – Palladium is in the platinum family of metals and the most common alloy is 95% palladium and 5% ruthenium (in china, you see copper added). It is about 1/4 the weight of platinum, but shares the ‘liquid’ or ‘squishy’ nature of platinum. Thus, it is considered very good for holding stones. The idea is that if you damage a gold prong, it is likely to break and you lose the stone. If you damage a palladium or platinum prong, it will deform but hold the stone.  It is ‘solid’ color requiring no maintenance or plating to retain a ‘white color’. Palladium is a bit more trouble to work with for a jeweler in that it is more reactive than platinum to the torch. It tends to tarnish more during finishing . But, palladium is a bit softer than platinum, so it is easier to polish and will show scratches more than platinum (yet still more so than gold).

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