These repair techniques we're about to show you is a typical repair of gold rings. However, there is no guarantee it will work for everybody. The tools used are pretty basic and can be found in most household. Supplies are available in just about any hardware store and are inexpensive. This technique shown below is a basic repair for gold/silver rings without any precious stones.
Necessary Tools and supplies
* small gas acetylene torch or propane torch.
* A Vise grips to hold your ring in it place.
* Scissors, for cutting a little piece from the solder sheet.
* Any "fine" sandpaper.
* Magnifying glass
* Gold solder i.e a sheet of 10k yellow gold medium solder.
Depending on the type of ring you have, a special order must be made to mathc the appropriate color and karat.
*Liquid Flux is used so your solder will adhere to your ring.
Preparation
The most important 1st step is to obtain a quality "joint" between the two broken ends. To do this, begin by by removing the old solder by using the sandpaper. Then use a file between the two ends, and move it back and forth several times to get rid of the rough edges. If your ring is slightly out of alignment, this can be repaired during the soldering.
Next, firmly secure ther ring in the vise grips so that the broken ends are "closed" together. After your finished with the filing the joint, cut a small piece of gold solder to fill in your joint. Close the joint by securing the your ring in the vise grips. Make it tight enough so the joint is tightly closed. Becareful not to bend the ring. Next, put a small dab of liquid FLUX on the joint and put the tiny gold solder on top. You may use a toothpick. Fire up your torch. Make sure you are using thee tip of the flame from underneath your joint. Make sure you keep moving the flame around the shank at all times. When the solder melts it will be drawn into the joint, sealing the two ends together.
Use your file and sandpaper to finish up the rough edges of the joint until it is smooth again and to remove the scratches. For a proper shine you may need to use a buffing wheel.
Finally, use a wooden dowel that is tapered, and will fit most ring sizes. Slide the ring on, and tap it with a small soft mallet carefully on all sides.