The Jewel Box Quilt Block is a timeless design that sparkles with charm and versatility. Whether you choose a scrappy layout or a carefully coordinated color palette, this block truly shines. Available in 16”, 12”, and 8” finished sizes, it’s a perfect choice for samplers, wall hangings, or full quilts that showcase both contrast and harmony in fabrics.
This pattern uses a delightful combination of half-square triangles (HSTs) and checkerboard units, making it a favorite among quilters who enjoy traditional piecing with a creative twist. The Jewel Box block is simple to assemble but offers endless variety depending on the fabric placement.
The Jewel Box Quilt Block is often described as a “quilter’s treasure” because of how easily it adapts to different styles and fabrics. Its simple mix of half-square triangles and checkerboard units creates a design that looks far more intricate than it really is. This makes it ideal for quilters of all levels: beginners can practice their accuracy with small units, while experienced quilters can explore endless fabric combinations to create truly dazzling quilts. From scrappy versions full of color to elegant coordinated palettes, the Jewel Box block always delivers a beautiful result.
Materials Needed
The block can be made in three sizes: 16”, 12”, or 8” finished. For each size, you’ll need a background fabric and assorted fabrics for contrast.
For a 16” Finished Block
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Background Fabric:
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(4) 4 ⅞” squares, cut once diagonally (8 triangles)
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(16) 2 ½” squares
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Assorted Fabrics:
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(8) 4 ⅞” squares, cut once diagonally (16 triangles – use half per block)
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(16) 2 ½” squares
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For a 12” Finished Block
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Background Fabric:
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(4) 3 ⅞” squares, cut once diagonally
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(16) 2” squares
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Assorted Fabrics:
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(8) 3 ⅞” squares, cut once diagonally
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(16) 2” squares
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For an 8” Finished Block
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Background Fabric:
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(4) 2 ⅞” squares, cut once diagonally
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(16) 1 ½” squares
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Assorted Fabrics:
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(8) 2 ⅞” squares, cut once diagonally
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(16) 1 ½” squares
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Tip: For a scrappy look, make a variety of HSTs and checkerboard units ahead of time before assembling your blocks. This adds extra interest and sparkle to the final quilt.
Construction Notes
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All seams use a ¼” seam allowance unless otherwise noted.
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Use the diagonal cut method for half-square triangles to ensure accuracy.
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Assemble checkerboard units from small background and assorted squares.
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Combine HSTs and checkerboard units to create the Jewel Box layout.
This block is very forgiving, and experimenting with fabric placement can create an endless array of stunning results.
Final Thoughts
The Jewel Box Quilt Block is a classic that belongs in every quilter’s library. Its balance of geometric shapes makes it versatile, while its scrappy potential ensures no two quilts will ever look alike. Whether stitched in bold jewel tones, soft pastels, or monochrome neutrals, this block has the ability to transform simple fabrics into a dazzling quilt design.
At the end of this post, you’ll find the free PDF pattern, complete with cutting instructions and size variations. ✨ A quilt block that glitters with possibility the Jewel Box will quickly become one of your favorites!
👉 Download the Free Jewel Box Quilt Block PDF Pattern
The Jewel Box Quilt Block is proof that timeless designs never lose their charm. With just a handful of squares and triangles, you can create a block that sparkles with dimension and movement. Its versatility means you can make an entire quilt using only this block or combine it with other classic designs for a stunning sampler. Whether you’re sewing with scraps to achieve a playful look or using a carefully selected color scheme for a polished finish, this block will always stand out. Be sure to download the free PDF pattern, and don’t forget to explore our other quilt block tutorials for even more inspiration.