(Closed) Is anyone knowledgeable about "stretching" a ring?

posted 3 years ago in Rings
Post # 2
Member
1074 posts
Bumble bee

I had a 6mm plain rose gold band stretched about half size. The jeweler never mentioned anything about the possibility of it shattering. The did it for free, even though I didn’t purchase it from them.

Can you post a picture of the ring?

Post # 3
Member
1520 posts
Bumble bee

Can he file some metal down from the inside of the band if you’re only going up a little? I’ve had this done before. Also david klass sized up an engraved band for me, re engraved it and made it comfort fit for under $100. Good luck!

Post # 4
Member
139 posts
Blushing bee
  • Wedding: October 2005

If you are only going up 1/2 a size I doubt the lack of engraving will be that noticable.  I have never heard of “stretching” a ring but maybe ask your jeweler how much it would be just to go up 1/2 a size?

Post # 6
Member
1715 posts
Bumble bee
  • Wedding: July 2009

If the $200 includes the platinum patch and re-engraving, then it is consisent with prices where I live. But, have a careful look at the quality of the engraving each jeweller’s bench can produce or the join will be forever visible. Stretching is really not advisable. 

David Klass, Joe Escobar, and GreenLake Jewelery all have wonderful benches for vintage and engraved pieces. 

Post # 9
Member
1715 posts
Bumble bee
  • Wedding: July 2009

amb1030 :  There are really only two ways to stretch a ring. The first is to place is on a mandrel that open from inside and it is stretched slowly after being heated. Or you are taking a ring and forcing is down on a tapered metal bar with a special hammer. You can’t use the second method on platinum (too much damage from the hammering) and the first will distort the entire pattern. Plus, my experience is that platinum does not like to stretch.  Platinum is a more difficult metal to work with compared to gold and requires special tools/equipment. 

I’ve never heard of a platinum ring shattering, but it is theoretically possible for it to crack, maybe multiple times, if the second method of stretching is use. If the ring is marked, maybe there is something about the alloy that gives the jeweler pause. Or something in the condition of the ring that makes the jeweler concerned (like evidence of previous re-sizing). 

One way to really minimize the impact to the pattern is to find someone that can use a laser welder. This cause virtually no heat and you don’t have to impact so much of the adjacent metal. It also creates an almost invisible joint since you are welding metal to metal, no solder. That means less buffing and loss of the original pattern. Sizing alone, 1 size, in platinum should be around $75+. The engraving is where additional cost will come in. The pattern on the ring is not so dense that they can’t create some flow with the design. 

Keep talking to jewelers until you get someone who is confident and has a laser welder. 

Post # 10
Member
11 posts
Newbee

I spent $150 to go from a 4.5 to a 6.5 with an engraved shank. I told them not to worry about redoing the engraving at the back because no one will ever see it and it will make it easier to resize in the future. My ring wasn’t stretched, it was cut and more gold added. 

Post # 12
Member
127 posts
Blushing bee
  • Wedding: May 2013

I had my grandmother’s 14k yellow gold ring successfully stretched I believe a full size up & the engraving was not effected. The jeweler did mention that because of the age of the ring (50 years old) the gold could have become brittle and could break but I decided to take my chances. I think I paid $70.

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