If more serious cleaning is required, then use a good jeweller’s rouge or jewellery cleaning dip. They can damage pearls and gem-set jewellery. A mild soap in water is usually enough to clean it. Remember the backs! Gently pat the jewellery dry. However, if your silver is gem-set see below for advice on specific gemstones to be sure what is safe to use.

Select from our varied gemstone pendant designs, from simple and elegant to artistic and unique. Let the shopping begin and select your favorite gem from our site. If you are looking for a pair of gemstone stud earrings then we have every shape and size available in white or yellow gold and 20 different gems. ? Just select a gem below to begin. A gemstone bracelet makes a wonderful gift for a birthday, anniversary, or holiday. Find a design that you like, and select her favorite colored gemstone in white or yellow gold.

Each link or bond is the same length, and the tetrahedral formation is therefore completely regular. Theoretically a perfect diamond crystal could be composed of one giant molecule of carbon. After the magma cooled, it solidified into kimberlite, where the precious rough diamond is still found today. It is the strength and regularity of this bonding which makes diamond very hard, non-volatile and resistant to chemical attack.

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