Gem Stones

This hexagon, rose-cut black spinel is a budget-friendly alternative to black diamond and other more expensive gemstones. The hardness makes it an appropriate choice for adding dramatic black gems to...

This hexagon, rose-cut black spinel is a budget-friendly alternative to black diamond and other more expensive gemstones. The hardness makes it an appropriate choice for adding dramatic black gems to...

Stone size: 22 x 13mm Stone shape: Oval Material: Chalcedony Stone type: Natural Color: Blue Mohs hardness: 6.5–7 Refractive index:&n

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...

This carnelian cabochon features a heart shape with

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...

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...

Stone size: 10 x 8mm Stone shape: Oval Material: Quartz Stone type: Doublet Color: Blue Clarity: Eye-clean Mohs hardness: 

Stone size: 12 x 10mm Stone shape: Oval Material: Quartz Stone type: Doublet Color: Blue Clarity: Eye-clean Mohs hardness: 

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: 5.8 Treatment: Synthetic (SYN) Cutting...

Stone size: 12.0mm Stone shape: Round Material: Lapis lazuli Stone type: Natural Color: Denim blue Mohs hardness: 5–5.5 Refractive in

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...