This group of photos has the 4 stages of cutting a sapphire from rough to the finished square princess cut.
Here is an example of 2 repairs that were done recently in my workshop.
This method is applicable for any diamond ring as well as many gemstones. However do NOT use this method with emeralds or any heavily included gemstones (with a lot of fractures / internal flaws) or porous material such as turquoise, lapis lazuli or amber. You can use a very mild soapy water or just plain water […]