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Montana Sapphire™ is cut from gem rough found in the mountains of Western Montana; this gemstone displays an attractive medium-blue color and is an ideal addition to custom jewelry designs. Sapphire is the birthstone for September.Sapphire...

The cut of this round, clear Swarovski Gemstones™ CZ presents a brilliant flash that rivals diamond. Use it as an affordable white stone for any custom jewelry design or take advantage of its durability and use the stone to brush up on your...

This AA-grade round machine-cut amethyst features a lively, deep-purple color saturation that complements a variety of metal colors and gemstones. Use it by itself for simple earring or ring designs, or highlight the color by pairing it with...

This natural white topaz from Swarovski Gemstones™ features a durable thermal fusion-coating that produces a peach color while preserving the eye-clean clarity and brilliance of the topaz.This stone features the Natural Brilliance Cut created by...

Rodeo Queen Ruby™ is mined from the eastern foothills of the Rocky Mountains, near Cheyenne, Wyoming. The stone has a saturated pinkish-red color and is mostly opaque, making it an ideal choice for vintage styles and other custom jewelry designs...

Teal Montana Sapphire™ is cut from gem rough found in the mountains of Western Montana; this gemstone displays an attractive blue-green color and is an ideal addition to custom jewelry designs. Sapphire is the birthstone for September.Sapphire...

Montana Sapphire™ is cut from gem rough found in the mountains of Western Montana; this gemstone displays an attractive medium-blue color and is an ideal addition to custom jewelry designs. Sapphire is the birthstone for September.Sapphire...

The cut of this round, clear Swarovski Gemstones™ CZ presents a brilliant flash that rivals diamond. Use it as an affordable white stone for any custom jewelry design or take advantage of its durability and use the stone to brush up on your...

This AA-grade round machine-cut amethyst features a lively, deep-purple color saturation that complements a variety of metal colors and gemstones. Use it by itself for simple earring or ring designs, or highlight the color by pairing it with...

Rodeo Queen Ruby™ is mined from the eastern foothills of the Rocky Mountains, near Cheyenne, Wyoming. The stone has a saturated pinkish-red color and is mostly opaque, making it an ideal choice for vintage styles and other custom jewelry designs...

Teal Montana Sapphire™ is cut from gem rough found in the mountains of Western Montana; this gemstone displays an attractive blue-green color and is an ideal addition to custom jewelry designs. Sapphire is the birthstone for September.Sapphire...

The cut of this round, clear Swarovski Gemstones™ CZ presents a brilliant flash that rivals diamond. Use it as an affordable white stone for any custom jewelry design or take advantage of its durability and use the stone to brush up on your...

This round amber cabochon features a golden yellow color that complements a variety of designs. It’s a soft stone, so use it to create one-of-a-kind earrings or pendants—any style of jewelry that won’t be subjected to harsh wear. Use it...

Stone size: 22 x 8mm Stone shape: Oval Material: Carnelian Stone type: Natural Color: Red Mohs hardness: 6.5–7 Refractive index: 1.535–1.539 Specific gravity: 2...

Stone type: Amethyst Shape: Teardrop Dimensions: 12 x 6mm Hole size: .015"–.020" Drill style: Vertical half-drilled Material: Stone/Gemstone Color: Amethyst...

Stone size: 4.0mm Stone shape: Round Material: Amethyst Stone type: Natural Color: Purple Mohs hardness: 7 Refractive index: 1.544–1.553 Specific gravity: 2...

This round aventurine cabochon has an attractive light green color; its durability makes it a great option for all types of jewelry—bracelets and rings as well as more protected pendants and earrings. Use it as a budget-friendly alternative to...

The active play of light of this A-grade, calibrated round black druzy quartz cabochon draws the eye; the stone is coated with titanium to bring out a consistent iridescence. Black druzy is a fit for jewelry of all types, in designs that range from...

Stone size: 22 x 13mm Stone shape: Pear Material: Onyx Stone type: Natural Color: Black Mohs hardness: 6.5–7 Refractive index: 1.53–1.54 Specific gravity: 2.55–2...

This round black onyx cabochon is a great choice for adding depth and drama to custom jewelry designs. A staple color in jewelry designs that complements nearly any stone, this cab is ideal for one-of-a-kind pendant and bracelet designs.Onyx, a type of...

Stone size: 22 x 13mm Stone shape: Oval Material: Chalcedony Stone type: Natural Color: Blue Mohs hardness: 6.5–7 Refractive index: 1.54–1.55 Specific gravity: 2...

Stone size: 22 x 8mm Stone shape: Oval Material: Carnelian Stone type: Natural Color: Red Mohs hardness: 6.5–7 Refractive index: 1.535–1.539 Specific gravity: 2...

The dramatic, deep orange-red color of this round carnelian cabochon makes it a beautiful option for custom jewelry designs; the stone's relative hardness makes it a good substitute for other softer stones in pieces that will see wear, such as bracelets...

This round chocolate moonstone cabochon presents a luminous mink brown color and is ideal for use in custom earrings, pendants, brooches or stick pins. Create coordinated sets with this moonstone or combine it with other earth-tone cabs to design...

This round untreated chrysoprase cabochon has a silky, translucent green color and its durability makes it ideal for setting in bezel mountings in nearly any style of jewelry. Combine it with complementary-color stones to create mixed-stone pendants,...

Stone size: 4.0mm Stone shape: Round Material: Citrine Stone type: Natural Color: Light to medium yellow Mohs hardness: 7 Refractive index: 1.544–1.553 Specific gravity: 2...

Stone size: 10 x 8mm Stone shape: Oval Material: Quartz Stone type: Doublet Color: Blue Clarity: Eye-clean Mohs hardness: 7 Refractive index: 1.544–1.553 Specific...

Stone size: 12 x 10mm Stone shape: Oval Material: Quartz Stone type: Doublet Color: Blue Clarity: Eye-clean Mohs hardness: 7 Refractive index: 1.544–1...

Stone size: 8 x 6mm Stone shape: Oval Material: Quartz Stone type: Doublet Color: Blue Clarity: Eye-clean Mohs hardness: 7 Refractive index: 1.544–1...

Stone size: 1.0mm Stone shape: Round Material: Cubic zirconia Stone type: Manmade Color: Opal Mohs hardness: 8.5 Specific gravity: 5.8 Treatment: Synthetic (SYN) Cutting...

Stone size: 1.0mm Stone shape: Round Material: Cubic zirconia Stone type: Manmade Color: Clear Mohs hardness: 8.5 Refractive index: 2.15–2.18 Specific gravity: 5...

Stone size: 12.0mm Stone shape: Round Material: Lapis lazuli Stone type: Natural Color: Denim blue Mohs hardness: 5–5.5 Refractive index: 1.500–1.670 Specific...

Diamond sizes are not uniform; .01-ct. round diamonds will vary slightly (.007-.012 ct.). If you require a specific size to fit a particular mounting, please contact our Gemstones & Diamonds team or leave a note below when you order, and we will do our...

Diamond sizes are not uniform; .02-ct. round diamonds will vary slightly (.0175-.023 ct.). If you require a specific size to fit a particular mounting, please contact our Gemstones & Diamonds team or leave a note below when you order, and we will do our...

Diamond sizes are not uniform; .03-ct. round diamonds will vary slightly (.026-.035 ct.). If you require a specific size to fit a particular mounting, please contact our Gemstones & Diamonds team or leave a note below when you order, and we will do our...

Stone size: 4.0mm Stone shape: Round Material: Cubic zirconia Stone type: Manmade Color: Emerald Green Mohs hardness: 8.5 Refractive index: 2.15–2.18 Specific gravity: 5...

Stone size: 5.0mm Stone shape: Round Material: Cubic zirconia Stone type: Manmade Color: Emerald Green Mohs hardness: 8.5 Refractive index: 2.15–2.18 Specific gravity: 5...

Stone type: Garnet Shape: Teardrop Dimensions: 12 x 6mm Hole size: .015"–.020" Drill style: Vertical half-drilled Material: Stone/Gemstone Color: Garnet Red Treatment: None...

Stone size: 3.0mm Stone shape: Round Material: Garnet Stone type: Natural Color: Red Mohs hardness: 7–7.5 Refractive index: 1.76–1.82 Specific gravity: 4...

Stone size: 4.0mm Stone shape: Round Material: Garnet Stone type: Natural Color: Red Mohs hardness: 7–7.5 Refractive index: 1.76–1.82 Specific gravity: 4...

Stone size: 5.0mm Stone shape: Round Material: Garnet Stone type: Natural Color: Red Mohs hardness: 7–7.5 Refractive index: 1.76–1.82 Treatment: None (N) Specific...

Stone size: 6.0mm Stone shape: Round Material: Garnet Stone type: Natural Color: Red Mohs hardness: 7–7.5 Refractive index: 1.76–1.82 Specific gravity: 4...

The wine-red color, clarity and good play of light of this oval faceted AA-grade garnet make it an appealing choice for custom jewelry designs of all types. Traditional red garnet derives its deep color from iron and magnesium. Garnet exhibits few...

Stone type: Garnet Shape: Teardrop Dimensions: 9 x 7mm Hole size: .039" Drill style: Vertical half-drilled Material: Stone/Gemstone Color: Garnet Red Treatment: None (N) ...

Stone type: Chalcedony Shape: Teardrop Dimensions: 30 x 10mm Hole size: .039" Drill style: Vertical half-drilled Material: Stone/Gemstone Color: Green...

Stone size: 12.0mm Stone shape: Cushion Material: Onyx Stone type: Natural Color: Green Mohs hardness: 6.5–7 Refractive index: 1.53–1.54 Specific gravity: 2.55–2...

Stone size: 18 x 13mm Stone shape: Pear Material: Onyx Stone type: Natural Color: Green Mohs hardness: 6.5–7 Refractive index: 1.53–1.54 Treatment: Dyed...

Stone size: 8.0mm Stone shape: Round Material: Quartz Stone type: Natural Color: Green Mohs hardness: 7 Refractive index: 1.554–1.563 Treatment: Heat-treated...

This round hematite cabochon features a gunmetal-gray metallic color that looks great with a variety of stones and metal types. Set it in a yellow-gold mounting for a high-contrast pendant or ring, or create a more monochromatic look with white gold or...

Stone size: 4.0mm Stone shape: Round Material: Iolite Stone type: Natural Color: Violet-blue Mohs hardness: 7–7.5 Refractive index: 1.53–1.55 Specific gravity: 2...

Stone size: 5.0mm Stone shape: Round Material: Iolite Stone type: Natural Color: Violet-blue Mohs hardness: 7–7.5 Refractive index: 1.53–1.55 Treatment: None...

Stone size: 6.0mm Stone shape: Round Material: Iolite Stone type: Natural Color: Violet-blue Mohs hardness: 7–7.5 Refractive index: 1.53–1.55 Treatment: None...

This round nephrite jade cabochon has an attractive olive-green color and subtle veining. Use the cabochon to create a bold pendant, pair it with complementary-color cabs to create matched sets with earrings or bracelets, or use it to create more complex...

This lab-created round ruby cabochon is made with corundum using the flame fusion method. Each stone has a chemical make-up identical to those found in nature. It performs at the bench just as a natural stone would. The color produced is a deep red that...

Stone size: 4.0mm Stone shape: Round Material: Spinel Stone type: Manmade Color: Blue Clarity: Eye-clean Mohs hardness: 8 Refractive index: 1.712–1.720 Specific...

Stone size: 5.0mm Stone shape: Round Material: Spinel Stone type: Manmade Color: Blue Clarity: Eye-clean Mohs hardness: 8 Refractive index: 1.712–1...

This lab-created star sapphire oval cabochon offers the signature look of sapphire at an attractive price point. Set it in PMC+™ and PMC3™ designs; it will withstand the heat of firing. Star sapphire is created from lab-grown blue corundum...

Stone size: 3.0mm Stone shape: Round Material: Cubic zirconia Stone type: Manmade Color: Champagne Mohs hardness: 8.5 Refractive index: 2.15–2.18 Specific gravity: 5...

Colorful, brilliantly faceted CZ stones give you a way to add a glorious splash of color to your stone-set jewelry designs while keeping your designs at a affordable price-point.Stone shape: Round Stone size: 3.0mm Color: Pink Treatment: Synthetic (SYN)...

Colorful, brilliantly faceted CZ stones give you a way to add a glorious splash of color to your stone-set jewelry designs while keeping your designs at a affordable price-point.Stone shape: Round Stone size: 3.0mm Color: Purple Treatment: Synthetic...

Stone size: 4.0mm Stone shape: Round Material: Cubic zirconia Stone type: Manmade Color: Champagne Mohs hardness: 8.5 Refractive index: 2.15–2.18 Specific gravity: 5...

Add some fire to your design with this dramatic faceted orange CZ stone! Stone shape: Round Stone size: 4mm Color: Reddish-orange Mohs hardness: 8.5 Refractive index: 2.15 Specific gravity: 5.8 Treatment: Synthetic (SYN) please note: Care: Wash with...

Colorful, brilliantly faceted CZ stones give you a way to add a glorious splash of color to your stone-set jewelry designs while keeping your designs at a affordable price-point.Stone shape: Round Stone size: 4.0mm Color: Purple Treatment: Synthetic...

Featuring an attractive champagne color and light-reflecting facets that looks great when set in silver, this CZ is an excellent way to incorporate color in custom designs without a large monetary investment in natural gemstones. Combine it with other...

Colorful, brilliantly faceted CZ stones give you a way to add a glorious splash of color to your stone-set jewelry designs while keeping your designs at a affordable price-point.Stone shape: Round Stone size: 5.0mm Color: Pink Treatment: Synthetic (SYN)...

Stone size: 5.0mm Stone shape: Round Material: Cubic zirconia Stone type: Manmade Color: Purple Mohs hardness: 8.5 Refractive index: 2.15–2.18 Treatment: Synthetic...

Use this yellow faceted CZ to add a sunny sparkle to your design. Stone shape: Round Stone size: 5mm Color: Yellow Mohs hardness: 8.5 Refractive index: 2.15 Specific gravity: 5.8 Treatment: Synthetic (SYN) please note: • This gemstone is...

These eye-clean cabochons are economical and versatile. Place them in PMC+™ and PMC3™ designs; they’ll withstand the heat of firing. Stone shape: Round Stone size: 6.0mm Color: Pink Mohs hardness: 9 Treatment: Synthetic (SYN) Country of...

This lab-created round blue sapphire cabochon is made with corundum and offers an intense blue color. Each stone has a chemical make-up identical to those found in nature. It performs at the bench just as a natural stone would. For a variety of designs,...

This round lab-created star ruby cabochon is economical and versatile. Place them in PMC+™ and PMC3™ designs; they’ll withstand the heat of firing. Star ruby is created from lab-grown red corundum and its distinctive six-ray star,...

Peridot is the gem form of the mineral olivine. Its yellowish to vibrant green color is caused by iron. It looks beautiful set in yellow or white gold. Peridot is the birthstone for August. Stone shape:...

Though it is often mistakenly called topaz, citrine belongs to the quartz family. Its color is durable and lasting. This stone features brilliant color. Stone shape: Round Stone size: 3mm Color: Light golden yellow Clarity: Eye-clean Grade: AA Mohs...

This round Mexican turquoise cabochon offers smooth and even natural sky-blue color with very little matrix, making it an accessible and more affordable alternative to the increasingly hard-to-find (and expensive) Sleeping Beauty turquoise. Make it the...

This high-quality round CZ faceted stone features a saturated pink color resembling morganite that catches the eye and looks great with white and rose metals. CZs are an ideal way to experiment with color in custom designs without the large monetary...

Stone size: 14 x 10mm Stone shape: Oval Material: Chalcedony Stone type: Natural Color: OrangeMohs hardness: 6.5–7 Refractive index: 1.54–1.55 Specific gravity: 2...

This high-quality round CZ features a vivid, saturated fiery-orange color that catches the eye. CZs are an ideal way to experiment with color in custom designs without a large monetary investment in natural gemstones. Combine it with other colorful CZs...

Onyx, a type of opaque chalcedony, occurs naturally in black and is generally dyed to achieve a more uniform color. Premium high-dome cabochons are much more substantial and increase the profile of the stone in your design. Stone shape: Oval Stone size:...

Onyx, a type of opaque chalcedony, occurs naturally in black and is generally dyed to achieve a more uniform color. Stone shape: Oval Stone size: 9 x 7mm Color: Black Mohs hardness: 6.5–7 Treatment: Dyed (D) please note: Care: Avoid heat and...

Moonstone is one of the best known and most valuable varieties of feldspar. This translucent gemstone features an iridescent sheen called “adularescence.” Stone shape: Oval Stone size: 6 x 4mm Stone type: Natural, fire-resistant Color: Soft...

This round peach moonstone cabochon presents a luminous dusty peach color and is ideal for use in custom earrings, pendants, brooches or stick pins. Combine it with complementary-color cabs to design multi-color looks or offer customers matched sets...

Stone size: 3.0mm Stone shape: Round Material: Peridot Stone type: Natural Color: Medium Green Mohs hardness: 6.5–7 Refractive index: 1.654–1.690 Specific gravity: 3...

Stone size: 4.0mm Stone shape: Bullet Material: Peridot Stone type: Natural Color: Medium green Mohs hardness: 6.5–7 Refractive index: 1.654–1.690 Treatment: None...

Stone size: 4.0mm Stone shape: Round Material: Peridot Stone type: Natural Color: Medium Green Mohs hardness: 6.5–7 Refractive index: 1.654–1.690 Specific gravity: 3...

Stone size: 5.0mm Stone shape: Round Material: Peridot Stone type: Natural Color: Medium Green Mohs hardness: 6.5–7 Refractive index: 1.65–1.69 Specific gravity: 3...

Stone size: 8 x 6mm Stone shape: Oval Material: Opal Stone type: Natural Color: Medium pink Mohs hardness: 5.5–6.5 Refractive index: 1.37–1.52 Specific gravity: 1...

    With a range of soft pink colors, this oval natural pink opal cabochon is a beautiful choice for pendant and earring designs. It looks great when set in a bezel mounting for a custom pendant, or when combined with an assortment of...

Stone size: 3.0mm Stone shape: Round Material: Tourmaline Stone type: Natural Color: Light to medium pink Mohs hardness: 7–7.5 Refractive index: 1.624–1.644 Specific...

Stone size: 4.0mm Stone shape: Round Material: Tourmaline Stone type: Natural Color: Light to medium pink Mohs hardness: 7–7.5 Refractive index: 1.624–1...

Stone size: 22 x 13mm Stone shape: Pear Material: Chalcedony Stone type: Natural Color: Purple Mohs hardness: 6.5–7 Refractive index: 1.54–1.55 Treatment: Dyed...

Featuring a saturated deep-purple color that catches the eye and light-reflecting facets, this high-quality marquise-cut CZ is an ideal way to incorporate color in custom designs without a large monetary investment in natural gemstones. Combine it with...

Stone size: 8 x 4mm Stone shape: Marquise Material: Cubic zirconia Stone type: Manmade Color: Purple Mohs hardness: 8.5 Refractive index: 2.15–2.18 Treatment: Synthetic...

Onyx, a type of opaque chalcedony, occurs naturally in black and is generally dyed to achieve a more uniform color. Stone shape: Rectangle Stone size: 12 x 10mm Color: Black Mohs hardness: 6.5–7 Treatment: Dyed (D) please note: Care: Avoid heat and...

Stone size: 12.0mm Stone shape: Cushion Material: Chalcedony Stone type: Natural Color: Red Mohs hardness: 6.5–7 Refractive index: 1.54–1.55 Specific gravity: 2...

Stone size: 18 x 13mm Stone shape: Pear Material: Chalcedony Stone type: Natural Color: Red Mohs hardness: 6.5–7 Refractive index: 1.54–1.55 Treatment: Dyed...

Stone size: 22 x 13mm Stone shape: Pear Material: Chalcedony Stone type: Natural Color: Red Mohs hardness: 6.5–7 Refractive index: 1.54–1.55 Treatment: Dyed...

Stone size: 33 x 20mm Stone shape: Pear Material: Chalcedony Stone type: Natural Color: Red Mohs hardness: 6.5–7 Refractive index: 1.54–1.55 Specific gravity: 2...

Stone size: 4 x 4mm Stone shape: Bullet Material: Garnet Stone type: Natural Stone depth (approx.): 4.0mm Color: Red to brownish plum Mohs hardness: 6.5–7.5 Refractive...

Stone size: 6 x 4mm Stone shape: Oval Material: Garnet Stone type: Natural Color: Brownish-red Clarity: Eye-clean Grade: AA Mohs hardness: 6.5–7.5 Refractive...

Stone size: 8 x 6mm Stone shape: Oval Material: Garnet Stone type: Natural Color: Brownish-red Clarity: Eye-clean Grade: AA Mohs hardness: 6.5–7.5 Refractive...

This round rose quartz cabochon features a translucent creamy pink color and a smooth, polished finish that suits a variety of jewelry styles. Use it by itself to create a simple pendant, or combine it with complementary pastel-color stones to create...