Gemstone Buying Guides

46 results
Agate Buying Guide
Decorative, patterned forms of agate are excellent natural gems. Learn more about agate's mesmerizin
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Alexandrite Buying Guide
Vivid color change makes alexandrite one of the world’s most coveted stones. Our alexandrite buying
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Amber Buying Guide
One of the earliest known gems, amber’s bright sunshine hues delight and enthrall. Learn more about
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Amethyst Buying Guide
Long valued for its purple color and symbolic associations, amethyst is a versatile gem. Our amethys
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Ammolite Buying Guide
With bright rainbow iridescence, ammolite is sure to draw attention. Read about this gem’s unique qu
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Aquamarine Buying Guide
No gem evokes the blue-green colors of the sea like aquamarine. Our aquamarine buying guide can help
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Blue Tourmaline (Indicolite) Buying Guide
Our indicolite buying guide can help you learn how these blue tourmalines are graded, what to avoid,
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Choosing, Rating, and Grading Diamonds
First-time gem buyers may find diamond grades confusing. Our consumer guide explains how diamonds ar
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Chrome Tourmaline Buying Guide
Rare chrome tourmaline can show an emerald-like green color. With a highly desired color and tourmal
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Chrysoprase Buying Guide
With bright, apple-green hues, chrysoprase makes an eye-catching jewelry stone. Our chrysoprase buyi
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Citrine Buying Guide
Citrine’s affordable autumn hues make it a great option for trendy jewelry. Read about the quality f
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Conch Pearl Buying Guide
Considering a conch pearl buying trip to the Caribbean? Quality factors for these gems differ from c
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Crystalline Quartz Buying Guide
Although often overlooked, quartz is available in many styles at reasonable prices. Our crystalline
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Demantoid Garnet Buying Guide
Stunning green hues and a brilliance that outshines diamond combine to make demantoids truly captiva
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Emerald Buying Guide
Our emerald buying guide can help you learn how these gems are graded, what to avoid, and how to ide
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Garnet Buying Guide
With so many colors and varieties available, garnet buying can be daunting. Whether starting your co
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Green Tourmaline (Verdelite) Buying Guide
Looking for a tourmaline jewelry stone? If you like green and you're on a budget, green tourmaline o
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Iolite Buying Guide
Soft, violet-blue hues have made iolite a popular stone. Read about the quality factors for this tre
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Jade Buying Guide
“The Stone of Heaven,” jade has an unmatched elegance. Learn more about the unique quality factors o
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Kunzite Buying Guide
Rare and fragile, kunzite challenges lapidaries and delights jewelry aficionados. Our kunzite buying
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Lapis Lazuli Buying Guide
Our lapis lazuli buying guide can help you learn how to grade these gems, what to avoid, and how to
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Malaya Garnet Buying Guide
Rare malaya garnets come in many colors and make wonderful jewelry stones for any style. Learn the 4
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Melo Pearl Buying Guide
Bright orange colors and flames that seem to dance across the surface make the melo pearl a fascinat
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Moonstone Buying Guide
With sheen reminiscent of moonlight, moonstone is treasured across civilizations. Our moonstone buyi
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Morganite Buying Guide
Morganite has become a popular jewelry stone, especially for engagement rings. Our morganite buying
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Opal Buying Guide
Our opal buying guide can help you learn how opals are graded, what to avoid, and how to identify a
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Oregon Sunstone Buying Guide
Our Oregon sunstone buying guide can help you learn how these gems are graded and how to identify a
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Padparadscha Sapphire Buying Guide
Padparadscha sapphires get their name from the Sinhalese word for “lotus colored.” This rare and elu
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Paraíba Tourmaline Buying Guide
Paraíba’s neon blue hues stunned the gem world in the 1980s. Read about the quality factors for this
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Pearl Buying Guide
In this golden age of pearls, a wide variety of shapes, sizes, and colors are available. Our pearl b
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Peridot Buying Guide
Our peridot buying guide can help you learn how these gems are graded, what to avoid, and how to ide
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Precious Coral Buying Guide
Deep-water coral displays bright, rich reds and delicate pinks. Our precious coral buying guide will
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Quahog Pearl Buying Guide
Your next plate of steamed clams might hold a rare quahog pearl. Learn how to judge the quality of t
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Rubellite Tourmaline Buying Guide
Like all tourmaline gemstones, rubellite wears well in almost any type of jewelry. This stone's rasp
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Ruby Buying Guide
Our ruby buying guide can help you learn how rubies are graded, what to avoid, and how to identify a
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Rutilated Quartz Buying Guide
Silky golden rutile inclusions in quartz have become quite popular. Read our rutilated quartz buying
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Sapphire Buying Guide
Long associated with royalty, sapphires are some of the most popular (and expensive) gems in the wor
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Sphalerite Buying Guide
Our sphalerite buying guide can help you learn how these gems are graded, what to avoid, and how to
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Spinel Buying Guide
Our spinel buying guide can help you learn how spinels are graded, what to avoid, and how to identif
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Tanzanite Buying Guide
More than just a simulant for sapphire, tanzanite’s vivid hues have stunned the gem world. Our tanza
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Topaz Buying Guide
Our topaz buying guide can help you learn how topazes are graded, what to avoid, and how to identify
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Tourmaline Buying Guide
Known for stunning, saturated hues, tourmaline is a colorful and modern gemstone. Read about quality
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Tridacna Pearl Buying Guide
Clam pearls can grow to be some of the largest in the world. Learn more about these aquatic gems and
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Turquoise Buying Guide
Revered for millennia, sky blue turquoise still has a dedicated following. Our turquoise buying guid
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Watermelon Tourmaline Buying Guide
Looking for a fun summertime gem? Watermelon tourmaline adds a pop of color that's perfect for a pla
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Zircon Buying Guide
Long valued for its brilliance, zircon is a natural and affordable beauty. Learn more about the qual
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