Colorful Diamonds Crochet Cardigan Pattern

If you love bold geometric shapes and cozy layers, the Colorful Diamonds Cardigan is the perfect project to showcase your creativity and crochet skills. This eye-catching piece, designed by Daria Zagoruyko, features modular diamond motifs that come together to create a vibrant patchwork of texture and color.

What makes this pattern especially fun is its flexibility—you can use leftover yarns, mix and match fibers, or stick to a specific palette to suit your personal style. It’s a great stash-buster and a perfect introduction to joining motifs. Whether you’re a seasoned crocheter or looking for a project that challenges your construction skills, this cardigan is a rewarding make.

In this tutorial, you’ll find detailed step-by-step instructions to crochet each section of the cardigan, assemble the parts, and finish it with a soft, wearable fit. You’ll also find diagrams to help guide your layout and construction. Let’s dive into this cozy, colorful creation!

Colorful Diamonds Crochet Cardigan Pattern

Materials Needed:

• 850g of various color yarns:
  • Yarn A: 30% wool, 70% acrylic (220 m / 100 g)
  • Yarn B: 50% wool, 50% acrylic (200 m / 100 g)
  • Yarn C: 50% cotton, 50% acrylic (200 m / 100 g)
  • Yarn D: 100% cotton (220 m / 100 g)
• Crochet hook: 3 mm

Tip: Choose yarns of similar weight to ensure a balanced finish. Chain stitches should be worked loosely.

Part 1 (make 6 pieces):

1. Chain 6.
2. Row 1: Work 4 dc starting in 3rd ch from hook.
3. Row 2: Ch 2, turn, work 4 dc.
4. Repeat Row 2 until you have 6 rows total.
5. Fasten off, weave in ends.

Part 2 (make 1 piece):

• Follow Diagram 2.
• Begin with chain 4.
• Row 1: In 3rd ch from hook, work 2 dc. Ch 2.
• Continue crocheting into the middle stitch of the previous row, turning with ch 2.
• Increase and shape as per Diagram 2 for 6 total rows.
• Fasten off.

Part 3 (make 1 piece):

• Same as Part 2.
• Follow Diagram 2 for increases and shaping.

Parts 4 and 5 (make 1 of each):

• Work according to Diagrams 3 and 4.
• Then crochet 6 more rows as in Part 2.

Part 6 (make 1 piece):

• Make a “brick” as in Part 1.
• Continue rows 2–6 from the side edge.
• Follow Diagram 6 for joining.

Part 5a (make 1 piece):

• Crochet 6 rows.
• Work a round of single crochet around the edge.

1. Use the layout diagrams for the back, front, and sleeves to arrange your motifs.
2. Sew all pieces together.
3. Sew shoulders and sides.
4. Add borders to sleeve openings as desired.
5. Leave openings for neck and bottom of sleeves.

This beautiful diamond-patterned cardigan is sure to become a favorite layering piece in your handmade collection. Play with bold or soft colors and make it truly your own!

Optional: Finish with a light blocking to even out the motif shapes.