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Meet the Sierra Diamond Blanket – a bold and striking design inspired by the rich colours and geometric patterns of the American Southwest.

Made with granny diamonds in shades of orange, black and white, this eye-catching blanket has a wonderful retro feel, with the colours creating a strong graphic effect as the diamonds come together.

Whether draped over the back of a sofa or snuggled under on a chilly evening, the Sierra Diamond Blanket is sure to make a statement.

Originally featured in Simply Crochet Magazine, Issue 71

Yarn Required:
Yarn weight #3 (8ply) 800g / 2,360m / 2,585 yards

Yarn Used in photos:
Stylecraft Special DK; (100% Acrylic; 323 yards / 295 meters / 100 grams)

• Yarn A x 2 balls of White (code 1001)
• Yarn B x 3 balls of Midnight (code 1011)
• Yarn C x 3 balls of Tomato (code 1723)

Hook Size(s): 4mm (US size G/6).
Pattern will work in other hooks and yarns though finished size may be different.

You will also need:

• Stitch markers
• Yarn needle

Tension:
A single diamond motif measures 20cm (7.8in) wide x 15cm (5.9in) high using a 4mm hook

Finished Blanket Size: 114cm x 114cm (45in x 45in).

I hope you’ll tag @kcaco.uk on Instagram or share your projects on my Facebook page as I love to see your finished work! Happy Crocheting!

This pattern is (c) designed by Heather Gibbs 2026 (2018) and is for Personal use only, not for resale. However, you are welcome to donate, gift as well as sell any of your finished items (if you are an Individual Crafter). If you sell your work online, please credit the work as appropriate and link to my pages where you can: www.keepcalmandcrochetonuk.com