Gemstones

Round cubic zirconia stones in a wide size range, ideal for stone-setting practice, training benches, and finished jewelry where an economical diam...

Composed of man-made corundum, this round faceted lab-created ruby shares the same chemical composition and durability as natural ruby. Known as th...

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

Mimicking the rich royal blue of natural sapphire, these round faceted imitation sapphires are composed of lab-created blue spinel. Designed as a s...

Composed of man-made corundum with the same chemical composition and durability as natural sapphire, these round faceted lab-created blue sapphires...

Moissanite is one of the most brilliant gemstone simulants available to the jewelry trade. With one of the highest refractive indexes and light dis...

This Alexandrite simulant is crafted from lab-created synthetic purple corundum, displaying a distinctive greyish-purple hue. With a hardness ratin...

This Pink Tourmaline simulant is composed of lab-created synthetic pink corundum, displaying a beautiful rose pink hue that closely mimics the appe...

Named by the Egyptians as the "gem of the sun," peridot is plentiful and generally inexpensive. Ranging from transparent yellowish green to greenis...

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

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 ...

Displaying a rich emerald green, these Round Faceted Imitation Emeralds are an ideal choice for May birthstone jewelry and custom gemstone work. Ea...

Cubic Zirconia is a man-made gemstone that is an affordable alternative to precious gemstones and suitable for everyday wear. Perfect for any state...

Turquoise has been a prized gemstone across many cultures and civilizations, including Ancient Egyptians and Native Americans. Revered for centurie...

Emerald faceted cubic zirconia offers jewelers and metalsmiths a brilliant, affordable alternative to precious gemstones. These man-made stones del...

These Round Faceted Imitation Citrine stones display the rich golden yellow color characteristic of natural citrine. Composed of synthetic yellow c...

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

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...

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...

Chrome Diopside is an affordable, untreated alternative to Emerald, offering a rich green color at a fraction of the cost. Its vivid hue originates...

This lab-created blue Spinel delivers the rich ocean blue hue characteristic of zircon, without zircon's inherent brittleness. Composed of syntheti...

These round faceted imitation aquamarine stones simulate the light sky blue color of natural aquamarine and are composed of lab-created blue spinel...

This round faceted garnet simulant is composed of synthetic red corundum, delivering a deep, vivid red color that closely replicates the look of na...

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...

Garnet is a set of closely related minerals that share the same crystal structure while varying in chemical composition. Red is the most common and...

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...

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

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...

These round faceted imitation peridot stones display the characteristic lime-green color of natural peridot. Each stone is a lab-created yellow-gre...

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

Green Quartz — also known as Prasiolite and sold under the trade name Greened Amethyst — is a member of the Quartz family produced by heat-treating...

Jasper is an opaque chalcedony displaying a rich variety of colors and patterns, making each stone a truly unique, one-of-a-kind specimen. These ov...

Crafted from man-made corundum sharing the same chemical composition and durability as natural ruby, these heart-faceted lab-created rubies offer e...

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

From bulls-eyes to straight and curved bands, Malachite is a distinctive, unique, and easily recognizable gemstone. Ranging from opaque bluish gree...