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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.…
The 10X loupe is the gemologist’s best friend. Learn how to examine gemstones for fractures, inclusions, color, and much more with this simple…
Experts might successfully cut gems crown first, but cutting pavilion first is usually the best and most practical method. Read this article to…
Novice gemologists and jewelers may find appraising pearls difficult. Our guide will show you how to appraise and grade different types of cultured…
How accurate are gem, mineral, and rock scanner identification apps? Our review covers the strengths and weaknesses of over 20 apps.
A glossary of frequently encountered gemstone faceting terms for the student gemologist. Our list covers gemology, gem cutting, and equipment.…
Recutting gems that have been poorly cut, whether commercially or native, can add significant value. See how precision custom cutting can transform…
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Encyclopedia has information on over 300 gemstones, from traditional and popular jewelry standards to collector’s stones that rarely appear for sale. Each entry has photos and detailed information about the gem’s properties. Entries for jewelry stones also have price guidelines and discussions of their most important value factors.
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.
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.