Jewelry store and craftsman can adjust the ring size to very small extent but larger alteration will not be possible and will amount to remaking.
go tot a jewelry store and they will size you
The best way is to go to a jewelry store such as Kay Jewelers or Rogers Jewelers with a good reputation of jewelry sales. Tell this you need to know your ring size. They have something that looks like a key chain with every ring size on it and they will fit your finger. If you have a ring that is too small or too big they can usually adjust the size for you. Rings that are cheap (like at Walmart or Target) may have various sizes and it is hard to tell what your actual ring size is.
It is wise to go to a jewelry store and they will check out the ring size properly.
To adjust the size of a friendship bracelet you can go to any jewelry store and get different estimates to have them adjust the bracelet to fit your wrist.To adjust a handmade friendship bracelet, depending on how it is made, you either slide the knots along the string to adjust or you untie, adjust the size, and retie the knot.
One can find a ring sizing chart at many jewelry stores. Each store will have a poster of what each ring size means and how big each ring size actually is.
The easiest way to figure out your ring size is to put a measuring tape around your finger. A jewelry store will also have different sized circles of metal that can figure it out.
If you or someone is taking you to a jewelry store they have sizing rings to find out your true ring size. If it is to be a surprise then it is wise to ask the mother of either their daughter or son.
It is hard too tell if you do not have an actual ring sizer at your house, but my advice to you would be to go to the local jewelry store. Or any place that sells rings for that matter, and they have ring sizers.
Any local jewelry store should be equipped to determine what ring size is necessary for someone's finger. Alternatively, the online site for Zale's offers a printable ring sizer so that you can measure at home.
* You can stop at any jewelry store in a mall and have them size your finger and ask them what size your finger is. Generally when the groom to be buys the engagement ring or wedding ring you both go into the jewelry store to have it sized.
Since gold is priced by the ounce, the value of a 10k ring would depend on the thickness, size, and width of the ring. A 10k gold wedding band for a woman can cost anywhere from $125 for a thin ring at a discount department store, to $500 at your average jewelry store.
New birthstones can be bought at the original jewelry store where the mother's ring was bought. Otherwise, you may have to go to a custom jeweler to have one cut to size.