See our international ring size chart for silver rings with unique and collectable gemstones. Specializing in collectors items and unique handmade jewellery. Blue Gems NSW Australia. We are located in the Nambucca Valley in rural New South Wales. Our gold and silver individual designs are made by traditional craftsmen, using rare and selectively chosen stones. We have a large collection of Australian and international mineral specimen with a particular emphasis on Broken Hill Sapphire Crystals and specimens from Sri Lanka, Nepal and Vietnam. Many items are not displayed on our web site, if you have any special request or questions contact us and we will be happy to answer any enquiry.