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Mounting design choice

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oldminer

Ideal_Rock
Trade
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Sep 3, 2000
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6,378
We have seen a few styles of rings which have the girdles of the diamonds extending slightly past the metal sides of the rings. These have a wonderful, non-metallic look to them, but have a downside which can become a problem. Whenever the girdles are unprotected you set up a situation where another ring worn next to the diamonds will be rubbed or scratched by the diamonds. If this second ring is set the same way, with diamonds extending out beyond the metal, then you have diamond girdles which may rub on eachother. Diamonds rubbing on other diamonds causes scratching, chipping and fracturing of the diamonds. You will have problems over time with such a design.

This can be mitigated, to varying extents, by soldering the rings to one another at the base of the shank so they will not revolve and rub eachother. You can, when necessary, add a tiny spacer near the top or at the shoulders to keep the diamonds safely apart. This is invisible if done correctly, but can do a lot of good for long term durability.

Prongs which keep rings separated may not look ideal, but there is good reason not to allow diamonds to abrade eachother. A good design will take this into consideration, but you should be on the lookout for problem designs when you are selecting mountings.
 

mrssalvo

Super_Ideal_Rock
Joined
Jan 3, 2005
Messages
19,132
thanks Dave. this is definitely something that gets discussed a lot more around here now than when I first joined PS. We''ve seen a few rings damaged by exposed girdles and I do believe some manufactors have redesigned to correct the issue. also, i know Memoire makes a set that doesn''t rub. I''m assuming you''re talking about eternity/semi eternity type settings right?
 

FireGoddess

Super_Ideal_Rock
Joined
Jan 25, 2005
Messages
12,145
This is definitely noteworthy for anyone considering mountings. Like MrsS, when I joined PS it seemed there were a lot of rings around where the girdles extended past the mounting and people subsequently had issues with diamonds rubbing against diamonds in the wband.
 
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