Otto Frei

Gold Leaf 23.5 KT in a medium deep gold shade, supplied in a book of 25 leaves each measuring 3-1/4" square. This is loose gold leaf — as opposed t...

This professionally made wax ring mandrel set covers USA sizes 4 to 13 in half-size increments, giving you 19 individual ring mandrels for a compre...

The Pitch Bowl Kit gives metalsmiths and chasers everything needed to set up a complete pitch bowl workstation in one purchase. The kit pairs the p...

A full-cut round created diamond in a 5.25mm diameter, offering a brilliant alternative to mined stones. Created via the CVD (Chemical Vapor Deposi...

The Starrett 3" Jewelers Dividers are precision instruments built for jewelers, toolmakers, and skilled mechanics who demand accurate, consistent p...

Refractive Index Liquid Series M 1.81 is formulated for use with the GemPro Refractometer to obtain accurate gemstone refractive index readings. Th...

These cast 4-prong double gallery settings feature a rectangular form with V-ends and a mounting peg, designed for professional jewelers setting ra...

These cast 4-prong square settings feature tapered V-end prongs and a peg base, designed for professional jewelers setting square stones. Available...

A full cut round diamond melee sold individually, ideal for adding brilliant accent stones to a centerpiece or creating standalone sparkle in pavé,...

The Muonionalusta Meteorite Cabochon is a rare and remarkable gemstone material sourced from one of Earth's oldest known meteorite strikes. This ir...

This 5mm full-cut created round diamond offers a brilliant alternative to mined diamonds, delivering comparable optical beauty with reduced environ...

These cast 6-prong oval settings with side pads are precision-made in the USA and offered in both 14K yellow and 14K white gold. Designed for profe...

Classic round 4-prong double-gallery earring mountings with Positive Locking Guardian posts and nuts for securely setting round faceted gemstones. ...

Round Moissanite in 10mm offers exceptional optical performance for fine jewelry applications. All moissanite used in the jewelry industry is synth...

Unlike traditional sandbags, this 6" leather engraving pad is stuffed with a firm material that provides substantially more support beneath engravi...

Keep your vacuum casting setup running without interruption. This replacement 3-way valve is designed to fit the EZ-Cast, Kaya Cast, and virtually ...

These plain lever backs with open rings feature set rivets, meaning they are ready to use straight from the package. Because the rivets are pre-set...

The Jo-Di Diamond Gauge with Book allows professional jewelers to accurately estimate the estimated weight of a diamond without removing the stone ...

A complete set of 27 upper case block letter stamps for jewelers, metalsmiths, and craftspeople who need clean, consistent impressions in metal and...

This die-struck marquise setting features V-end prong protection and a center peg, purpose-built for professional stone setting. Available in 14K w...

Gold test needles are an essential tool for jewelers and precious metal buyers who need to assess the karat or fineness of gold and silver items us...

Drop forged stakes are crafted in the traditional blacksmithing manner, producing tools of exceptional density, structural integrity, and a smooth,...

These die-struck square V-end high 4-prong settings are precision-manufactured in the USA and available in 14K white gold and platinum. The high-pr...

These 14K yellow gold round tube barrel clasps feature a safety catch and are designed to be soldered directly onto chains. The recessed ends creat...

Todd Reed Diamond Cabochons bring a distinctive, handcrafted character to fine jewelry design. Each cabochon measures 2.6mm round and is formed in ...

For the first time, jewelers and designers can source calibrated natural rose cut diamonds in consistent sizes. These 2.2mm grey rose cut diamonds ...

A reliable mechanical measuring tool for the professional bench, this metric stainless steel dial caliper delivers precise readings across a 0–150 ...

These cast round cluster 3-stone earring mountings are designed for professional jewelers building finished earring sets or custom pieces. Availabl...

This 4.5mm full cut round created diamond offers a brilliant, faceted stone with the look and quality of a natural diamond at a lower cost and with...

A professional-grade die-struck setting built for round brilliant stones, this heavy 4-prong design delivers the structural integrity and refined f...

Deep Relief Sculpting Master Class DVD by Sam Alfano is an instructional video course dedicated to the advanced engraving technique of deep relief ...

Argoflux Gold Flux Powder is a carbon-based, metal-melting casting flux designed for use with carbon crucibles in electronic metal melting and all ...

These die-struck emerald low base bezels offer professional jewelers a precisely crafted setting solution for rectangular emerald-cut stones. Avail...

Gold test needles are an essential tool for jewelers and precious metal buyers who need to verify the karat purity of gold items using acid testing...

These 14K yellow gold lever backs feature a tear drop design with a closed ring rotated 90 degrees, ensuring that any pendant or charm hung from th...

These cast round 3-prong cocktail earring mountings — also known as martini earrings — are available in five precious metal types and nine stone si...