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Diamond Duet Hat
The matching Diamond Duet Cowl is a free download.
This pattern is 20% off. Get this hat & matching mittens together at 30% off.
Offers expire March 1.
Discover the Magic of Two-Pass Woven Knitting
Incredible texture combines with bold colourwork in the Diamond Duet Hat!
Experience Two-Pass Woven Knitting—an innovative technique that mimics the look of a woven fabric while working only one yarn at a time.
Both the Diamond Duet Cowl or Hat will guide into this fascinating technique. Because of its small pattern repeat and specific colour setup, you will be quickly learn the rhythm of this motif. Extend your skills to 4 colour Woven Knitting with the Diamond Quartet Collection.
The Diamond Duet Tutorials will support you with every step.
See how your colours will look with the Diamond Duet Colouring Tool.
Sizes: S (M, L) to fit head circumference 19 (21.5, 24) in/ 48 (55, 61) cm
Finished Hat Circumference: 16 (18.5, 21) in/ 41 (47, 53) cm
Finished Hat Height: 7 (8, 8) in/ 18 (20, 20) cm; adjustable
Yarn: two colours of DK weight yarn
Yarn Usage: 90 (105, 115) yd/ 83 (96, 106) of each colour; additional 30 (35, 40) yd/ 27 (32, 37) m of brim colour.
Gauge: 21 sts/ 32 rows to 4 in/ 10 cm in stocking stitch worked flat on the larger needle.
Needles: 3.75 mm/ US #5 & 4.5 mm/ US #7; circular 16 in/ 40 cm length and needle(s) for working a small circumference in the larger size.
Notions: tapestry needle, 7 stitch markers & 1 distinct end-of round-marker.
Recommended Yarn: SweetGeorgia Merino DK; Amber Ale (MC), Glow (CC); 1 skein each. Note: this is enough yarn to make the hat & cowl
Resources: Diamond Duet Tutorials & Diamond Duet Colouring Tool
Photography: Julie Crawford
Tech Editor: Kate Atherley
Ways to learn about my designs:
- Visit MaryWMartinKnits.com
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- join me in my Ravelry group for discussion of my patterns,
- join the earburn list for notifications of pattern releases and test knits.
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- First published: February 2026
- Page created: February 22, 2026
- Last updated: February 22, 2026 …
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