- LevelIntermediate
- Time4-6 hours
- Hook5 mm
- YarnWorsted
About This Pattern
There is something calm about this hat, the way it builds in stages that each feel different in your hands. I start with a plain circle, move into a ribbed brim, then land in a diamond-textured crown that changes color as it grows. It feels like tuning a radio dial slowly into focus.
Your hands will work through three distinct rhythms here. First the steady double crochet of the foundation round, then the give-and-pull of front post and back post stitches for the brim, then the little clusters of three double crochets that stack into diamonds. Each stage asks for a slightly different grip and pace, which keeps the whole project from feeling repetitive.
Picture this hat on a hook by the door, ready to grab before a walk in cold air. The ribbed brim sits close to the head while the diamond crown catches light in a way that flat stitches never do. It reads as handmade in the best sense, a little sculptural, a little bold with its two colors.
- Chain a long foundation ring and join it into a circle without any twist in the loop.
- Work a plain double crochet round into the ring to set up an even base for the brim.
- Alternate front post and back post double crochet stitches around to build a ribbed, stretchy brim.
- Repeat that ribbed round several times until the brim reaches the depth you want.
- Change to your second color partway through a stitch so the new shade begins cleanly at the next cluster.
- Keep alternating colors between diamond segments as the crown builds upward.
- Decrease to 2 double crochets per space to close the crown, then cut the yarn, weave the tail through the last round like a drawstring, and pull tight to finish the top.
- Weave in ends and add a pom-pom on top if you want a finishing touch.
On the desk
- 4 ply medium weight yarn in two colors of your choice (e.g., red and white)
- 5 mm crochet hook
Stitch shorthand
- ch — chain
- st — stitch
- sl st — slip stitch
- sc — single crochet
- hdc — half double crochet
- dc — double crochet
- inc — increase
- dec — decrease
- mr — magic ring
- fo — finish off
- FPdc — front post double crochet
- BPdc — back post double crochet
Granny diamond stitch crochet hat for cozy days
Foundation and Brim
Start with a Slip Knot: Create a slip knot to begin.
Chain Stitches: Chain 72 stitches for an adult size. Ensure there are no twists in your chain.
Join to Form a Circle: Use a slip stitch into the first chain to form a circle.
- Round 1
Setup Row Chain 1 (does not count as a stitch). Double crochet into each chain around. Slip stitch to the first double crochet to join.
Creating the Brim
- Round 2
Brim Start: Chain 1 (doesn't count as a stitch). Front post double crochet in the first stitch, then back post double crochet in the next. Repeat - around. Join with a slip stitch.Rows 3 to 7: Repeat Row 2 for a total of 5 to 6 rows, depending on desired brim width.
Body of the Hat
- Round 8
Chain 1, in the same space make a double crochet and two more double crochets in the same stitch (3 double crochets in the same stitch). Skip two stitches, then make 3 double crochets in the next stitch. Repeat - around. Join with a slip stitch.
Change Color
In the last stitch of Row 8, start the third double crochet. Before completing, change to your second color yarn to complete the stitch.
- Round 9
With new color, chain 1, turn work and make 3 double crochets in the space below. Alternate colors between segments as done previously.
- Round 10
Only in Second Color Chain 1, make 3 double crochets in each space around. Do not alternate colors. Join with a slip stitch.Repeating Pattern: Repeat Rows 8-10:
Continue repeating these rows, following the color changing pattern until the piece measures the desired length.
Decrease for Top Closure
- Closing Row
Change the pattern to decrease by making only 2 double crochets in each space instead of 3. This starts to close the top of the hat.After a full round of decrease, cut the yarn leaving a long tail. Thread the tail through a yarn needle.
Weave the yarn tail in and out of the stitches of the last row and pull to tighten, closing up the top of the hat. Secure the end and weave in any remaining tails.
More shots
Where it goes
- A daily cold-weather hat that pairs well with a wool scarf and a plain zip-up jacket.
- A handmade gift for someone who likes bold texture over a plain beanie.
- A market or craft-fair item, since the two-color diamond crown photographs well from a distance.
- A car or entryway hat kept by the door for quick errands in brisk air.
Color ideas
- Blended neutrals Keep the brim in a light neutral shade and alternate two close neutral tones between diamond segments on the crown for a subtle, tonal effect.
Care
Hand wash the finished hat in cool water with a mild detergent, since medium weight yarn holds shape better without machine agitation.
Lay it flat on a towel to dry rather than hanging, so the ribbed brim and diamond crown do not stretch out of shape.
Store it folded flat in a drawer between wears, and gently reshape the brim by hand if it looks compressed.
Assembly
- Step 1 Optionally, attach a pom-pom at the top for added style.
Easy to get wrong
Twisted foundation chain
Check the whole chain lies flat before joining with the slip stitch, since a twist here throws off the entire brim. Lay the chain on a table to spot any rolls before you close the ring.
Losing the front post back post rhythm
It is easy to drift out of the alternating pattern across several repeat rows of the brim. Pause at the join each round and confirm the stitch above the previous front post is still a front post.
Listener questions
Can I make this hat in just one color instead of two?
Yes, you can skip the color change entirely and keep working the diamond cluster round in your original yarn. The three-dimensional texture will still show clearly even without contrast.
How do I know when my brim is deep enough?
The pattern gives a range of repeat rows for the brim, so try the hat on after the lower end of that range. Add more rounds if you want extra coverage over the ears before moving to the crown.
What if I do not want a pom-pom on top?
The pom-pom is listed as optional, so the hat is complete without it. You can simply weave in your ends at the crown and wear it as is.
Why does the color change happen mid-stitch instead of at the start of a round?
Starting the new color partway through the last double crochet of a cluster keeps the color break tucked neatly into the stitch itself. This avoids a visible jog or knot at the join point.
Is the front post back post brim hard to learn if I am newer to crochet?
It takes a little practice to feel the difference between working around the front and back of the post, but the stitch itself is still a double crochet. Once you get through a couple of rounds, the rhythm becomes automatic.
Original pattern: https://crocheteverything.com/stylish-crochet-granny-diamond-stitch-hat-pattern-best-for-cozy-days/
About the Author
Marisol QuinteroWho runs Crochet Obsessed, why a stitch count sits at the end of every round, how a pattern gets written here, and the things this site will never do.
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