Moreover, can a jeweler stretch a gold ring?
Details on ring stretching
If you have a gold or platinum band with no gemstones around the band, then you're in luck. These are without a doubt the easiest types of rings to resize. If they need to be larger, they can easily be stretched on a jeweler's stretching machine to almost one size larger.
Secondly, does stretching a ring damage it? You may have also heard that it's possible to resize a ring through stretching. While this method is usually fine for wedding rings and other rings that don't have gemstones, it can easily damage the diamonds and other gemstones in an engagement ring.
Herein, can a jeweler stretch a ring?
In order to stretch a ring, a jeweler uses a ring stretching machine that works as a kind of “press.” The jeweler slips the ring onto a mandrel-like appendage of the machine and a lever is used to crank the machine until the ring is the correct size. This part of the machine is used to size the ring up.
How do you stretch a gold ring at home?
Slide the ring onto a steel mandrel.
Put the ring on the mandrel at the narrow end, and slide it down as far as it goes. Don't force it on, because you'll be pushing it down further with a hammer to stretch it. Right now, it can just sit in its natural position.