Best Cast Iron Jewelry Metal Casting Molds of 2026

Ann Hale Avatar
Ann Hale
Last Updated: Jan 10, 2026

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Cast iron jewelry metal casting molds are an essential tool for jewelry makers who want to create unique and intricate designs. These molds are made from high-quality cast iron and are designed to withstand the high temperatures required for metal casting. They come in a variety of shapes and sizes, including rings, pendants, and earrings, and can be used to create beautiful and detailed jewelry pieces. With cast iron jewelry metal casting molds, jewelry makers can unleash their creativity and produce one-of-a-kind pieces that are sure to impress.

At a Glance: Our Top Picks

100 oz Cast Iron Mold for Custom Metal Casting Cover #TOP 1
100 oz Cast Iron Mold for Custom Metal Casting
ftb score rating icon 9.8
LSMIITTH 2-Part Cast Iron Sand Casting Flask Mold Set Cover #TOP 2
LSMIITTH 2-Part Cast Iron Sand Casting Flask Mold Set
ftb score rating icon 9.7
Bonbo 25 oz Cast Iron Gold Bar Mold Cover #TOP 3
Bonbo 25 oz Cast Iron Gold Bar Mold
ftb score rating icon 9.5

Top 10 Cast Iron Jewelry Metal Casting Molds

#TOP 1

100 oz Cast Iron Mold for Custom Metal Casting

B-2-1
Gold,Silver
100 Ounces
100 oz Cast Iron Mold for Custom Metal Casting Cover
100 oz Troy Ounce Gold Bar Loaf Cast Iron Ingot Mold Perfect for Custom Smelting Pouring Melting Casting Refining Gold Silver Copper Aluminum Brass Precious Metals

This 100 oz Cast Iron Mold is a versatile loaf ingot mold, perfect for smelting, casting, pouring, melting, and refining gold, silver, copper, aluminum, brass, and other metals. It has a humanized handle for better control and tapered sides for easy ingot removal. Made from top-quality cast iron, this mold is sturdy, durable, and has good thermal conductivity. It can hold up to 100 troy ounces of gold and is 100% satisfaction guaranteed.

What We Like
Versatile mold for various metals
Humanized handle for better control
Tapered sides for easy ingot removal
Sturdy and durable cast iron material
100% satisfaction guarantee
#TOP 2

LSMIITTH 2-Part Cast Iron Sand Casting Flask Mold Set

FK-8 M+S
Black
Small Set
LSMIITTH 2-Part Cast Iron Sand Casting Flask Mold Set Cover
2-Part Sand Casting Flask Mold Frame Set, 10x8x4.7 Inches Large Cast Iron Mold and and 8x5.3x4.7 Inches Jewelry Metal Casting Making Tools for Delft Clay and Petrobond

The LSMIITTH Cast Iron Flask Set offers a sturdy and well-built design with trapezoid positioning pins on two sides, helping you align and hold the frames firmly for precise and clean castings. This set includes two flask sizes—large and small—so you can work on a variety of projects, from jewelry to larger metal pieces, giving you flexibility for different casting needs. It’s compatible with many metals like gold, silver, aluminum, and bronze, making it easy for you to create detailed duplicates of coins, rings, or other complex shapes. Plus, it’s designed for use with sand casting materials such as Delft clay and Petro bond, ensuring smooth and reliable casting results every time.

What We Like
Sturdy and precise alignment
Two sizes for versatile use
Compatible with many metals
Works with popular casting clays
#TOP 3

Bonbo 25 oz Cast Iron Gold Bar Mold

B-2-1
Gold,Silver
25 Ounces
Bonbo 25 oz Cast Iron Gold Bar Mold Cover
25 oz Troy Ounce Gold Bar Loaf Cast Iron Ingot Mold Perfect for Custom Smelting Pouring Melting Casting Refining Gold Silver Copper Aluminum Brass Precious Metals

The Bonbo Cast Iron Mold is a versatile tool perfect for casting metals like gold, silver, copper, aluminum, and brass. Its human-friendly handle gives you better control and helps prevent burns while pouring hot metal. The mold features slightly tapered sides, making it easier to remove the metal bar without hassle. Made from high-quality cast iron, it offers excellent heat conduction and durability, which means you can melt and shape metals faster and with less wear on your tools. This mold holds up to 25 troy ounces of gold, making it ideal for your custom smelting and casting projects.

What We Like
Versatile metal casting
Ergonomic handle design
Easy metal removal
Durable cast iron material
Efficient heat conduction
#TOP 4

Rosenthal Ingot Mold - Four Sided

RJTSD-001
Gray
Size 1
Rosenthal Ingot Mold - Four Sided Cover
Ingot Mold Four Sided Gray Cast Iron Ingot Mold for Wire Crucible for Melting Casting Refining (Size 1)

The Rosenthal Ingot Mold is designed to help you efficiently convert scrap metal into usable shapes for various applications. Its smooth graphite finish ensures that your castings come out with a refined surface, making them easier to work with. The durable gray cast iron construction withstands high temperatures, allowing you to melt precious metals without worry. Additionally, the unique four-sided design features different line patterns, providing versatility for your casting needs. This mold is an excellent choice for creating wire or sheets, enhancing your metalworking capabilities.

What We Like
Durable gray cast iron
Smooth graphite finish
Versatile four-sided design
High-temperature resistance
#TOP 5

PTKTLAM 4-Inch Cast Iron Melting Mold with Wooden Handle

Iron color
PTKTLAM 4-Inch Cast Iron Melting Mold with Wooden Handle Cover
PTKTLAM 4-Inch Cast Iron Gold Melting Mold - Single-Piece Construction with Wood Handle, Heavy Duty Metal Casting Tool for Jewelry/Silver/Copper Smelting (4IN)

The PTKTLAM Cast Iron Mold offers a safe and efficient way to melt and pour metals like silver and copper. Its wooden handle is designed with a 45-degree angle to keep your hand comfortably away from hot metal while giving you precise control during pouring. The mold itself is a full 23cm long, providing ample space for your casting projects. With three steel key bars, you can easily adjust the size of your ingots from 6mm to 24mm, giving you flexibility for different needs. Plus, its durable cast iron body can handle high temperatures without cracking, making it a reliable tool for your metalworking tasks.

What We Like
Ergonomic wooden handle
Adjustable ingot sizes
Durable cast iron body
Full-size mold
#TOP 6

PTKTLAM 8-Inch Cast Iron Melting Mold with Wood Handle

Iron color
PTKTLAM 8-Inch Cast Iron Melting Mold with Wood Handle Cover
PTKTLAM 8-Inch Cast Iron Gold Melting Mold - Single-Piece Construction with Wood Handle, Heavy Duty Metal Casting Tool for Jewelry/Silver/Copper Smelting (8IN)

The PTKTLAM Cast Iron Mold is designed to make metal casting safer and easier for you. Its wooden handle is shaped at a 45-degree angle to keep your hands comfortably away from hot molten metal, helping you pour with confidence and precision. With a larger main cavity than most 6-inch molds, this tool lets you create bigger ingots in one go, saving time and effort. Plus, it includes three steel key bars that let you adjust the width of your ingots, giving you flexibility for different projects. Made from durable cast iron, it can handle thermal shocks well, making it a reliable choice for your metal casting needs.

What We Like
Ergonomic wooden handle
Larger casting capacity
Adjustable ingot widths
Durable cast iron body
#TOP 7

Nelyrho 100 oz Cast Iron Ingot Mold

ZTYC
black
100 oz
Nelyrho 100 oz Cast Iron Ingot Mold Cover
Nelyrho 100 oz Troy Ounce Cast Iron Loaf Bar Ingot Mold Crucible with Handle for Melting Casting Refining Precious Metals Like Gold Silver Copper Aluminum Brass etc, Black

Nelyrho Ingot Mold is a versatile tool for melting and casting precious metals like gold, silver, copper, and more. With a capacity of 100 troy ounces, it offers ample space for various metalworking projects. Made of high-grade cast iron, this mold ensures good thermal conductivity and high temperature resistance. Its efficient design includes legs for insulation, a user-friendly handle for a better grip, and tapered sides for easy ingot removal. Remember to burn off the rust prevention film before first use. This mold is ideal for smelting, pouring, and refining non-ferrous metals.

What We Like
100 oz Capacity
High-grade Cast Iron
Efficient Design
#TOP 8

Bzsunway 25 oz Cast Iron Ingot Mold

25918
Gold,Silver
7.87 inches
Bzsunway 25 oz Cast Iron Ingot Mold Cover
Bzsunway 25 oz Loaf Ingot Cast Iron Ingot Mold for Melting Casting Refining Gold Silver Aluminum Copper Brass

Bzsunway Ingot Mold is a heavy-duty steel mold used for experiments and smelting of non-ferrous metals such as gold, silver, copper, aluminum, brass, and more. It has a large capacity of up to 25 Troy ounces of gold. The mold is designed with a humanized handle that facilitates better control and manipulation during the casting process, reducing the risk of scalding. The mold's good thermal conductivity, acid and alkali resistance, corrosion resistance, and impact resistance shorten the melting time. Additionally, it has a slight taper for easy ingot removal, making metal melting efficient and fun. If you are not satisfied with the product, you can request a full refund within 30 days, and it comes with a 12-month warranty.

What We Like
Wide Compatibility
Upgrade Design
Superior Quality
High Performance
Satisfactory Service
#TOP 9

Simond Store 200 Oz Cast Iron Ingot Mold

JMT-170
Gold,Silver
Simond Store 200 Oz Cast Iron Ingot Mold Cover
Simond Store- 200 Oz Troy Ounce Loaf Ingot Molds- for Metal Molding Casting, Refining Precious Metals Like Gold, Silver, Brass, Copper, Aluminum - Cast Iron Mold

The Simond Store Ingot Mold is crafted from durable cast iron, which helps resist rust and makes it easier for you to remove your metal ingots without hassle. Its large cavity can hold up to 200 ounces, perfect for casting gold bars or other metals like silver, brass, copper, and aluminum. To ensure smooth release, you just need to apply a lubricant spray before casting. The mold also features a sturdy 4.8-inch handle, making it easier for you to hold and control the mold safely during use. This thoughtful design helps you create metal ingots with less effort and more convenience.

What We Like
Durable cast iron material
Large 200 oz capacity
Requires releasing agent
Long, sturdy handle
#TOP 10

LSMIITTH 2-Part Sand Casting Flask Mold Set

FK2 Flask Mold Frame
Black
Large Set
LSMIITTH 2-Part Sand Casting Flask Mold Set Cover
LSMIITTH 2-Part Sand Casting Flask Mold Frame Set, 10x10x5 Inches Extra Large Sand Casting Flask Mold and 8x5.3x4.7 Inches Jewelry Metal Casting Making Tools for Delft Clay and Petrobond

The LSMIITTH Sand Casting Flask offers two sturdy mold frames designed for easy and precise alignment, thanks to trapezoid positioning pins and secure hex screws on the larger frame. This ensures your molds stay tightly sealed, helping you create detailed and refined castings. With two sizes included, you can handle both large projects like knife handles and smaller items such as jewelry with ease. The flask works well with a variety of metals, from precious ones like gold and silver to more common metals like aluminum and copper, giving you flexibility for different casting needs. It’s also compatible with popular sand casting materials like Delft clay and Petro bond, making it a versatile tool for your metal casting projects.

What We Like
Sturdy and precise alignment
Two mold sizes included
Compatible with many metals
Works with common casting materials
Buying Guide Image
Editor's Notes

During our cast iron jewelry metal casting mold research, we found 24 cast iron jewelry metal casting mold products and shortlisted 10 quality products. We collected and analyzed 4,521 customer reviews through our big data system to write the cast iron jewelry metal casting molds list. We found that most customers choose cast iron jewelry metal casting molds with an average price of $29.05.

The cast iron jewelry metal casting molds are available for purchase. We have researched hundreds of brands and picked the top brands of cast iron jewelry metal casting molds, including Bonbo, LSMIITTH, Rosenthal Collection, PTKTLAM, Nelyrho. The seller of top 1 product has received honest feedback from 279 consumers with an average rating of 4.9.

Written by
Ann Hale Avatar

Ann Hale is a seamstress, pattern maker, and fashion designer with extensive sewing experience. She has worked in the fashion industry for over 10 years now after receiving Associates's Degree in fashion design in 2010. Also as a writer, she has many creative and unique insights when it comes to articles.