Gemstones
Loose stones for setting and repair work. Cabochons and faceted stones in genuine, lab created, simulated and assembled material, alongside diamonds, moissanite and cultured freshwater pearls. Round, oval, marquise, pear, emerald, heart, cushion, square and trillion shapes in calibrated millimeter sizes from 1 mm up. Filter by stone, shape, size and color to match an existing mounting.
Filters
Round Faceted Genuine Smoky Quartz
Otto Frei5.0 / 5.0
1 Review
Smoky Quartz is a widely available and affordable genuine gemstone with a long history of popularity, particularly during the Victorian era. Often ...
View full detailsOval Tiger's-Eye Cabochon
Otto FreiTiger's Eye is a member of the quartz family and one of the most popular gemstones in the lapidary and jewelry trade — prized for its accessibility...
View full detailsPear Faceted Genuine Smoky Quartz
Otto FreiSmoky Quartz is a widely available and affordable genuine gemstone with a rich history in jewelry design. Popular during the Victorian era and ofte...
View full detailsOval Faceted Genuine Smoky Quartz
Otto FreiSmoky Quartz is a widely available and affordable genuine gemstone with a long history of popularity, particularly during the Victorian era. Often ...
View full detailsRound Tiger's-Eye Cabochon
Otto FreiTiger's Eye is a member of the quartz family and one of the top-selling gemstones among jewelers and metalsmiths. Its enduring popularity stems fro...
View full detailsMarquise Faceted Genuine Smoky Quartz
Otto FreiSmoky Quartz is a widely available and affordable gemstone with a rich history in fine jewelry. Popular during the Victorian era and often confused...
View full detailsPear Tiger's-Eye Cabochon
Otto FreiTiger's Eye is part of the quartz family and a consistently popular gem for jewelry making—readily available, inexpensive, and durable enough for e...
View full detailsHeart Tiger's-Eye Cabochon
Otto FreiTiger's Eye is a member of the quartz family and one of the top-selling gemstones among jewelers and metalsmiths. Its enduring popularity stems fro...
View full detailsCloseout Higher Opalescence Australian 30mm x 20mm Oval Boulder Opal
Otto FreiBoulder Opal is found exclusively in Queensland, Australia, where veins and patches of precious opal form within rugged brown ironstone boulders. T...
View full detailsCloseout Some Opalescence Australian 30mm x 20mm Oval Boulder Opal
Otto FreiBoulder Opal is found exclusively in Queensland, Australia, where veins and patches of precious opal form within rugged brown ironstone boulders. T...
View full detailsCloseout No Opalescence Australian 30mm x 20mm Oval Boulder Opal
Otto FreiBoulder Opal is found exclusively in Queensland, Australia, where veins and patches of precious opal form within rugged brown ironstone boulders. T...
View full detailsCloseout Some Opalescence Australian 25mm x 18mm Oval Boulder Opal
Otto FreiBoulder Opal forms exclusively in Queensland, Australia, where precious opal develops as veins and patches within rugged brown ironstone boulders. ...
View full detailsCloseout No Opalescence Australian 25mm x 18mm Oval Boulder Opal
Otto FreiBoulder Opal is found exclusively in Queensland, Australia, where veins and patches of precious opal form within rugged brown ironstone boulders. T...
View full detailsCloseout Some Opalescence Australian 10mm x 8mm Oval Boulder Opal
Otto FreiBoulder Opal is found exclusively in Queensland, Australia, where veins and patches of precious opal form within rugged brown ironstone boulders. T...
View full detailsCloseout No Opalescence Australian 10mm x 8mm Oval Boulder Opal
Otto FreiBoulder Opal is found exclusively in Queensland, Australia, where veins and patches of precious opal form within rugged brown ironstone boulders. T...
View full detailsCloseout Assorted Bag of 3 Australian Boulder Opals
Otto FreiBoulder Opal is found exclusively in Queensland, Australia, where veins and patches of precious opal form within rugged brown ironstone boulders. T...
View full detailsCloseout Bag of 3 Mixed Shaped Mexican Opals
Otto FreiThese Mexican opals are naturally encased in a sandstone-like matrix for an earthy, organic look. The surrounding matrix adds stability and makes e...
View full details