Make a colorful Diamonds Beanie with this fair isle crochet pattern! The diamond design uses five colors to create a fun geometric look, and the pattern comes in four sizes so you can make one for babies, kids, women, or men. The colorwork makes this a great project for crocheters who want to try something a little more challenging.

A free video tutorial is available on my YouTube channel to help guide you through the process.

Upon purchase, you will receive a downloadable PDF file with the complete written pattern and a direct link to the video tutorial.

Skill Level: Intermediate

Why You’ll Love This Pattern

The Diamonds Beanie combines fair isle colorwork with a repeating geometric design for a finished hat that stands out. With four sizes included, you can make matching beanies for the whole family.

Materials:

Recommended yarn: Approximately 370 yards of fingering or lightweight yarn in five colors:

Color A: 160 yards

Color B: 60 yards

Color C: 60 yards

Color D: 60 yards

Color E: 30 yards

Recommended hooks: 3.5mm (US-E) and 4.0mm (US-G), depending on size

Yarn or tapestry needle

Finished Sizes: Circumference measured unstretched

Baby Beanie (Small): 16”

Kid Beanie (Medium): 17.5”

Woman Beanie (Large): 20”

Man Beanie (XLarge): 22”

Gauge:

3.5mm hook: 2” = 12 single crochet stitches and 15 rows

4.0mm hook: 2” = 11 single crochet stitches and 16 rows

COPYRIGHT / DISCLAIMER

© 2026 Deja Joy (Knit and Crochet Ever After). All Rights Reserved.

This pattern is protected by copyright. By purchasing this digital download, you agree to the following terms:

You must already know basic crochet and pattern reading skills. This pattern is not a teaching guide; it is an instructional guide for the specific design shown.

No alterations are included. Any modifications, such as yarn changes or size adjustments, are your responsibility. I do not offer customizations.

The author is not liable for any damages or expenses from using this pattern. This pattern is for personal, non-commercial use only. No returns or refunds after download.

Reproduction, distribution, or sharing of this pattern, including screenshots or unauthorized reselling, is strictly prohibited.

You may sell finished items made from this pattern. For online sales, please credit Knit and Crochet Ever After as the designer. Do not use my images or photos.

By purchasing and downloading, you acknowledge and agree to these terms. Thank you for respecting my work. Enjoy the pattern!