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Updated: 21 May 2026

10 Best Jewelry Resin Casting Molds Rectangular

#1 Best Pick
AIMALL Silicone Mold 5.9x4.33 Inch for Epoxy Resin Pendant Jewelry Making, DIY Craft Necklace Mold, Multifunction Resin Casting Mould with Various Shapes

AIMALL Silicone Mold 5.9x4.33 Inch for Epoxy Resin Pendant Jewelry Making, DIY Craft Necklace Mold, Multifunction Resin Casting Mould with Various Shapes

Brand: AIMALL
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  • 🧩 Multi-Shape Design: This silicone mold features multiple shapes, including circles, teardrops, and rectangles, making it perfect for creating unique resin jewelry such as pendants and keychains.
  • 🔄 Flexible & Durable: Made from high-quality silicone, this mold is flexible yet strong enough to resist wear and tear, ensuring you can use it repeatedly without any loss of quality.
  • ✨ Easy Demolding: The smooth surface of the mold allows for easy demolding once your resin has cured, delivering a professional, polished finish every time without the need for extra sanding.
  • 🎨 Perfect for DIY Projects: Whether you're crafting custom necklaces, earrings, or other resin jewelry, this mold gives you the creative freedom to experiment and produce stunning designs for personal or commercial use.
  • 👜 Compact & Convenient: Measuring just 5.9x4.33 inches, this mold is compact and easy to store, making it the perfect tool for both home crafters and professional artists working on small-scale projects.
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#2 Best Value
Resin Tray Mold with Bead Edges Rectangle Jewelry Plate Mould for Resin Epoxy Casting Display Trinket Candles Holder Soap Dish Storage Container Art Crafts Making Supplies Home Decoration

Resin Tray Mold with Bead Edges Rectangle Jewelry Plate Mould for Resin Epoxy Casting Display Trinket Candles Holder Soap Dish Storage Container Art Crafts Making Supplies Home Decoration

Brand: Wehous
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  • 【CREATIVE TRAY MOLD】The mold features ball shape edges, make it more unique, add diversity to your resin project. It could be a nice decor on your home, car, office, shops, bars, party and so on
  • 【HIGH QUALITY】Made of durable silicone, flexible and reusable. Compatible with most resins or other casting materials. Has mirror surface, easy to demould and create clear shape with glossy shiny surface. After extrusion deformation, it can be restore and reusable
  • 【ENJOY YOUR TIME】Perfect for DIY. Fill the mold with epoxy resin, then add the resin accessories you like in it, then you could get your own eye-catching crafts. Just let your ideas run wild, let you, your family and friends have a wonderful and pleasant weekend and holiday together
  • 【FIT MOST OCCASION】The edges design make it more practical to be used. You could use it to place your jewelry and trinket like earrings, rings, necklace, clips, coins, keys. Also could regard the creation as a container like candle holder, soap dish and more
  • 【PERFECT GIFTS】Our molds suitable for making holiday, anniversary, birthday gift. You could create your own unique style storage trays, let them to be a present on friendship, family, Thanksgiving, Christmas, birthday, anniversary, New Year and more
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#3 Budget Pick
Resin Shaker Molds Silicone Casting Epoxy for Pendant Charms Jewelry Making Accessories Kit Letters / / Square/Rectangular Jewelry

Resin Shaker Molds Silicone Casting Epoxy for Pendant Charms Jewelry Making Accessories Kit Letters / / Square/Rectangular Jewelry

Brand: Obotsnoi
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  • Wonderful gift, very suitable for beginners the best lovers
  • Resin shaker molds, silicone resin, flexible and gloss finish, and easy to clean these silicone molds are for, and other casting materials
  • Silicone molds, uv resin shaker molds, halloween skull shape.you can choose the mold according to your own preferences for creation
  • Multipurpose epoxy resin molds, the casting silicone molds can be used for home decorations, keychain, earrings, necklaces, backpack pendant, necklaces and other jewelry pendant making besides, you can also add dry flowers, resin paint, soap to make exquisite christmas gifts for family and
  • Easy to de-mold and store, our keychain molds are soft, smooth and glossy inside, flexible and easy to remove from the mold resin molds are easy to clean with soapy water and store it away and direct sunlight for next use
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#4 Top Choice
BESTonZON 4pcs Silicone Resin Earrings Molds for DIY Jewelry Making – Small Oval, Rectangular Triangle Pendant Casting Moulds for Handmade Epoxy Resin Earrings and Pendants

BESTonZON 4pcs Silicone Resin Earrings Molds for DIY Jewelry Making – Small Oval, Rectangular Triangle Pendant Casting Moulds for Handmade Epoxy Resin Earrings and Pendants

Brand: BESTonZON
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  • Jewelry designs: perfect for crafting geometric earrings and necklaces, catering to DIY enthusiasts who value creativity nbsp,resin molds for pendants,silicone resin moulds
  • Unique DIY jewelry options: create stylish geometric earrings and pendants, perfect for those who love crafting distinctive and stylish accessories,jewelry casting mould for diy,Earring Making Mold
  • Longterm crafting tool: durable and reusable molds designed to withstand frequent use, providing consistent support for all your handmade jewelry needs,earring¡ molds,epoxy resin molds jewelry
  • Versatile resin compatibility: compatible with crystal epoxy resin, allowing users to create transparent or vibrant designs suitable for parties, daily wear, or thoughtful favors,silicone jewelry molds,silicone molds for resin jewelry
  • Detailed and precise patterns: features accurate sizing and intricate designs, enabling users to bring their imaginative ideas to ,resin mould jewelry,earrings silicone mould
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#5 Popular Choice
Resin Jewelry Molds, Jewelry Molds for Resin Casting, Silicone Molds for Epoxy Resin, Pendant Mold for DIY Gem Cabochon Pendant, Earring, Necklace Jewelry Making

Resin Jewelry Molds, Jewelry Molds for Resin Casting, Silicone Molds for Epoxy Resin, Pendant Mold for DIY Gem Cabochon Pendant, Earring, Necklace Jewelry Making

Brand: Coocicyi
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  • [Unleash Your Imagination] From geometric shapes like circles and triangle to unique designs like hearts and flowers, this collection of molds allows you to express your individuality. Design intricate jewelry pieces that reflect your personal style and captivate everyone's attention.
  • [Convenient to operate] After the resin is fully solidified, just twist the mold to push out the finished product easily; Since the molds are with point hole design, you don't need to drill holes after finishing the product, convenient to operate for beginners.
  • [No Drilling] With pre-made holes in each mold, effortlessly create stunning earrings and pendants without the hassle of additional drilling. The simple design ensures smooth and precise results, even for beginners.
  • [Quality Material] Our resin casting mold are made of silicone material, with high flexibility and tear resistance, durable and reusable. Smooth in surface, which can be cleaned up easily after using, please store the mold away from heat and dust.
  • [Graceful gift] it's time to apply these silicone resin molds to design exquisite jewelries for friends or family, also you can share the DIY process with them, graceful and fun gift on birthday, Christmas, Mother's Day, Valentine's Day, New Year and more, showing your tasteful choice.
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#6 Top Pick
Resin Jewelry Molds,130pcs Earring Resin Silicone molds,Variety Shapes and Size Jewelry Casting Mold with Keychain .DIY Crafting

Resin Jewelry Molds,130pcs Earring Resin Silicone molds,Variety Shapes and Size Jewelry Casting Mold with Keychain .DIY Crafting

Brand: Dayfeeby
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  • 159 PCS RESIN JEWELRY MOLDS KIT :what you get. 9pcs jewelry mold for earring ,40pcs earring hooks ,40pcs earring jump rings,40 pcs earring plugs and 10pcs keyrings and 20pcs opened jump rings,could meet your DIY jewelry kits
  • WIDELY SHAPED TO CHOOSE:9PCS expoxy resin mold contains creative shaped molds ,each molds have 3 types to make which could make your personal need
  • EASY TO DEMOULD:the silicone molds comes with high quality soft silicone and reusable ,after the expoxy resin dried ,it is easy to release the samples
  • USED WIDELY OCCASION:this classical jewerly casting mold could offer you a good choose at different occasions,as a gifts is a perfect for your mother your lover and children
  • BRAND GUANRANTEE:DAFEEBY provide 100% service for customers ,if you have any questions for ,please feel free to contact us ,enjoying good handmade time for you all
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#7 Top Pick
Resin Silicone Molds Casting Epoxy Shaker Mold for Jewelry Making Pendant Kit Games/Rectangular Jewelry

Resin Silicone Molds Casting Epoxy Shaker Mold for Jewelry Making Pendant Kit Games/Rectangular Jewelry

Brand: Obotsnoi
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  • Multipurpose epoxy resin molds, the casting silicone molds can be used for home decorations, keychain, earrings, necklaces, backpack pendant, necklaces and other jewelry pendant making besides, you can also add dried flower, resin paintting, soap to make exquisite christmas gifts for family and friend
  • Easy to release, with smooth and glossy interiors, reducing the need cutting back and polish finished resin items after your projects fully cured it will be easy to out of your mold
  • Heart / book silicone resin shaker molds can creating unquie accessories, easy pair with your clothes outfit
  • Wonderful gift, suitable for beginners.best lovers
  • Resin shaker molds, silicone resin, flexible and gloss finish, and easy to clean these silicone molds are for, and other casting materials
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#8 Top Pick
LALOCAPEYO 20 Pcs Silicone Resin Molds with Hanging Hole with Keychain Rings for Jewelry Making DIY Craft for Resin Jewelry Casting Molds, Silicone Molds Pendant Mold

LALOCAPEYO 20 Pcs Silicone Resin Molds with Hanging Hole with Keychain Rings for Jewelry Making DIY Craft for Resin Jewelry Casting Molds, Silicone Molds Pendant Mold

Brand: LALOCAPEYO
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  • Stimulate imagination: This material is non-toxic, environmentally friendly, and non-allergenic, making it a great option for everyone. You can insert small objects into the resin, such as beads, coins, shells, gemstones, etc. You can also add some flash points, colors and patterns.
  • Package includes: Please give full play to your creativity. this set of crystal glue mold includes 10 jewelry molds and 10 key chains. The resin mold has five different shapes, such as square, rectangular, round, oval and water drop.
  • Material: All resin molds are made of soft and flexible high-quality silica gel, durable and reusable. The translucent color can clearly see the inside of the mold.
  • Easy to use: The design has holes, which can be easily expanded after the project is fully cured. You can use soapy water as a release aid. Tip: Before using silicone molds, make sure they are clean and free of dust.
  • Widely used: The mold is compatible with epoxy resin, UV resin, soap, wax, etc., and can be used to make DIY jewelry handicrafts, such as jewelry pendants, necklaces, key chains, earrings, etc.
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#9 Top Pick
Silicone Resin Jewelry Casting Mold, Resin Jewelry Molds, for DIY Artcraft Project, Crafting, Gift Pendant, Pendant Earrings Making, Large

Silicone Resin Jewelry Casting Mold, Resin Jewelry Molds, for DIY Artcraft Project, Crafting, Gift Pendant, Pendant Earrings Making, Large

Brand: Tenalleys
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  • This silicon resin casting mold is made of flexible reusable silicone, flexible and light, tear resistant and durable, easy to fold or roll up, easy to store and carry. It is an ideal choice for DIY handicrafts.
  • Package Include: 1 jewelry casting mold (among them 29 different styles and different size circle, droplet, heart, square shape, oval)
  • Cabochon gem jewelry resin mold is easy to use, easy to make. It is washable, non staining, non fading and flexible. It only needs to be washed with water.
  • Jewelry casting mold suitable for making key chains, pendants, earrings, necklaces, etc. You can make molds with your kids to improve family interaction, or you can give your finished resin molds as gifts to your family.
  • Cabochon gem jewelry resin mold widely used in these area - such as uv resin, concrete, soap, wax, isomalt, resin epoxy, plaster, candle, fondant.
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#10 Top Pick
Silicone Resin Molds for Jewelry Making - DIY Epoxy Resin Casting Molds Set for Pendants, Earrings, Necklaces & Gem Cabochons - Flexible Reusable Jewelry Molds for Crafting Unique Designs

Silicone Resin Molds for Jewelry Making - DIY Epoxy Resin Casting Molds Set for Pendants, Earrings, Necklaces & Gem Cabochons - Flexible Reusable Jewelry Molds for Crafting Unique Designs

Brand: KCTOAMZ
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  • Premium Jewelry Resin Molds with Hanging Holes:This 9.4"L x 8.6"W x 0.44"H silicone jewelry mold features built-in hanging holes, eliminating post-casting drilling. Perfect for crafting necklace pendants and earring jewelry with seamless efficiency.
  • 38 Unique Pendant Designs for Versatile Creations:Explore 38 resin pendant mold shapes (drop, round, square, etc.) to match any style. Buy 2 silicone molds for identical cabochon jewelry pairs—saving time with consistent resin colors.
  • Durable & Smooth Silicone Mold for Flawless Results:Made of flexible, reusable silicone, this jewelry mold ensures glossy, polished surfaces—minimizing sanding. Easy to clean and demold, ideal for resin casting beginners and experts.
  • Handmade Jewelry Gift for Special Occasions:Create stunning DIY resin jewelry (earrings, rings) as heartfelt gifts for birthdays, Christmas, or Mother’s Day. A graceful gift mold that reflects thoughtfulness and creativity.
  • Multi-Material Compatible Resin Casting Mold:Works with epoxy resin, UV resin, clay, and wax. Perfect for DIY resin projects, from gemstone jewelry to decorative pieces. Unleash endless crafting possibilities!
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