Cabochons

A vibrant, professional-grade gemstone for jewelry making and resale, this round lab-created ruby cabochon is composed of man-made corundum — shari...

Garnet belongs to a group of closely related minerals sharing the same crystal structure but varying chemical compositions. While garnet occurs in ...

Carnelian is part of the Chalcedony family, ranging from brownish orange to orange-red. Chalcedony is made of tiny crystals of quartz that are not ...

Black Onyx, also known as black agate, is dyed black chalcedony. Chalcedony is composed of tiny quartz crystals not visible to the naked eye. Natur...

Prized since antiquity, amethyst carries one of the most storied histories in the gem world — early Greeks believed its rich purple hue could ward ...

Swiss Blue Topaz is the trade name used to describe a vivid medium to medium-dark blue hue of topaz. This gem is a great alternative to aquamarine,...

Named by the Egyptians as the "gem of the sun," peridot is a plentiful gemstone ranging from transparent yellowish green to greenish yellow, with t...

From ancient China, where pearls were believed to protect against fire and dragons, to Renaissance Europe, where they symbolized modesty and purity...

These round lab-created blue sapphire cabochons are composed of man-made corundum sharing the same chemical composition and durability as natural s...

Green onyx — also known as green agate — is dyed chalcedony, a microcrystalline quartz whose individual crystals are too small to see with the nake...

Opal is the world's most popular phenomenal gemstone, with many cultures believing that opals have supernatural origins and power. Inside each opal...

When light hits labradorite, an iridescent shimmer of spectral colors — commonly blue and green — occurs, known as labradorescence. This optical ph...

Rose Quartz derives its name from its pastel pink appearance, ranging from very light to medium-dark pink. Known as the "love stone," this gem has ...

Turquoise has been a prized gemstone across many cultures and civilizations, from Ancient Egyptians to Native Americans. Found in Egyptian tombs an...

Bloodstone is a member of the Chalcedony family, recognized by its opaque dark green to brownish green background punctuated by distinctive red and...

Blue onyx, also known as blue agate, is dyed chalcedony — a microcrystalline quartz whose fine crystal structure is invisible to the unaided eye. P...

Amber is an organic gem formed millions of years ago when sap from ancient pine trees hardened and fossilized. Amber artifacts date back to 10,000 ...

Charoite is a striking opaque purple gemstone featuring swirls, veins, and patches of black, gray, white, and brownish-orange. Prized for its drama...

Agate is a type of chalcedony characterized by curved and angular bands of color that vary in hue and transparency. From patterns of lace, moss, an...

Citrine ranges from transparent yellow to brownish orange in color and takes its name from citron, a fruit related to the lemon. Most citrine is pr...

Jasper is an opaque chalcedony that can display a variety of colors and patterns, making each stone unique. These round red jasper cabochons featur...

From bull's-eyes to straight and curved bands, malachite is a distinctive and easily recognizable gemstone with a character entirely its own. Rangi...

Hematite is composed of iron oxide, exhibiting a shiny, metallic luster. A traditional favorite in men's jewelry, hematite has the highest density ...

Highly prized since prehistoric times, jade has been used for many purposes beyond jewelry, including tools, religious artifacts, medicine, and mus...

Lapis Lazuli has been mined in the mountains of Afghanistan for more than 6,000 years. In fact, these mountains are home to the world's oldest know...

Rainbow Moonstone is the trade name for a variety of labradorite that shows multi-colored adularescence over a light body color. While it belongs t...

Coral is an organic gem, composed of the external skeletons of coral polyps. Formed from calcium carbonate with no crystal structure, coral has bee...

Coral is an organic gem composed of the external skeletons of coral polyps. Formed from calcium carbonate with no crystal structure, coral has been...

Round genuine sodalite cabochons offer a rich, deep royal blue color that makes them a compelling and more accessible alternative to lapis lazuli. ...

Genuine hematite cabochon in a classic round rose cut, ideal for rings, cufflinks, pendants, and men's jewelry. Its black opaque body and metallic ...

Turquoise has been a prized gemstone across many cultures and civilizations, including Ancient Egyptians and Native Americans. Colored by copper, t...

Moonstone is a member of the feldspar group mineral orthoclase and consists of alternating layers of the minerals albite and orthoclase. When light...

Opal is the world's most popular phenomenal gemstone, with many cultures believing that opals have supernatural origins and power. These Round Opal...