Birthstones jewelry

All three types of gemstones have their use in jewelry making. If you want to have inexpensive costume jewelry, you do not want to pay the price of simulated or natural jewels. On the other hand, if it is the "real" thing you want, be prepared to pay a lot for it. If the deal is too good to be true, the stones are probably synthetic. Gemstones best friend rings should come with a certification of authenticity if they are natural.
The most common synthetic stones are rubies, sapphires, emeralds, and alexandrite. Other synthetic stones are opals, garnets, and all the other birthstones. As long as you know what you are buying, these lab created stones are everything that a real gem is, just not as rare. Certain stones, such as topaz personalized necklaces and opal, are fragile and are typically fused to another stone to create a doublet or triplet.
Gemstones are weighed in carat weights (ct.) This is not to be confused with a karat (K), which is how gold is weighed. If there are more than one stone in a setting, it will be referred to as "ct.t.w.," or "carat total weight."
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