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Most Recent Articles
Although bytownite occurs throughout the world, this feldspar variety is rarely encountered in gem-quality condition.
Polishing kunzite can be very challenging, especially for novice gemstone faceters. Learn what tools and techniques work best.
Why do gemology labs sometimes have different gem origin opinions, especially for sapphires? Learn the science and history behind the debate.…
Did you know that routine pearl treatments are the most common enhancements in the gem trade? Learn more about these procedures and how they impact…
Our lapis lazuli buying guide can help you learn how to grade these gems, what to avoid, and how to identify a high quality stone or a bargain in the…
What kinds of gems can novice faceters cut to make a profit? Learn which gemstones make money reliably and which ones have limited potential.
Buying a faceting machine means making compromises between economy, looks, and technical features. Learn what questions to ask before you make…
Many consumers don’t understand the difference between natural pearls and cultured pearls. Learn what these terms mean and how to distinguish…
A little-known and rare collector’s gemstone, villiaumite is very difficult to facet. Its toxicity also makes it inadvisable to handle or wear.…
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Although many associate January's birthstone
, garnet, with the color red, they can come in a variety of colors including red, yellow, orange, green and even blue.
Thanks to its beauty and relative abundance, the February birthstone
, amethyst, is used in all types of jewelry: from the mass market to the finest custom couture pieces.
The March birthstone
is aquamarine. Famed for millennia for its pure and even blue or blue-green color, potentially large size, and sparkling clarity, the aquamarine has been a valued gem to many cultures. Aquamarine is a variety of the gem species beryl, making it a close cousin of emerald.
This vibrant red gemstone is the July birthstone
and is closely associated with love, passion, and romance. While there are affordable options to be found, the largest and most beautifully colored rubies can be very expensive; the best rubies may be sold for the highest cost-per-carat costs of any colored gemstone.
Peridot is the August birthstone.
It is also sometimes called the “evening emerald” because of its unique capacity to sparkle under natural or artificial light. However, it should not be confused with emerald because peridot has its own distinct characteristics setting it apart from other gemstones.
The September birthstone
is sapphire. Sapphires are members of the gem species corundum. Depending on the exact chemistry of individual stones, sapphires may present a whole spectrum of colors with the exception of red. This is because red sapphires are put into their own category and called rubies.
Pink tourmaline is the modern October birthstone
, loved for its breathtaking beauty and awe-inspiring variations of the color pink.
The most common birthstone for November
is yellow topaz however citrine, another lovely yellow gemstone, has been rising in popularity as an alternative and is much easier to purchase.
Blue zircon is known a modern December birthstones
alongside blue topaz and tanzanite. The more traditional December birthstones are lapis lazuli and turquoise.