Free knitting patterns for cardigans knit with diamond patterns in lace, color, cables, and texture. Many of the patterns are free. Updated 8/30/25.
To get the knitting patterns, scroll down the page to the individual pattern you want and click on the link to that pattern.
These patterns are not my designs but links to other designers who have generously shared their patterns. If you have questions about how to knit a specific pattern, please contact the designer directly.
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Free Patterns
Black Mountains Cardigan
The height of elegance, this cropped cardigan features a slipped stitch diamond pattern inspired by the Svarta Bergen, the Black Mountains, in Sweden formed of black diabase. Sizes S to 3X. Aran weight yarn. Svarta Bergen designed by Sanne Bjerregaard. Available in English, Danish, Dutch, Finnish, French, German, Norwegian, Swedish
Flinders Shine Twin Set
Women's cardigan and matching sleeveless top knit with a diamond lace pattern in two colors. Sizes S to XL. DK weight yarn. Designed by Spotlight. Available in English, Danish, Dutch, Finnish, German, Norwegian, Swedish
Embarker Cocoon Cardigan
Easy sweater knit flat in one rectangle with a diamond moss stitch texture and ribbed border, then folded and seamed. One size but it looks like it will be easy to customize. Quick knit in Bulky weight yarn. Designed by Ashley Lillis. Pictured project by hmeehan
Poets Cardigan
V-neck sweater with diamond cables inspired by Taylor Swift's The Tortured Poets Department. Worsted weight yarn. Designed by Allison Schmidt.
More Free Patterns
Delft Cardigan
I love the unique slip stitch diamond twisted stitch patterns on this women's cardigan. Knit seamlessly in a 12 row repeat. Sizes XS to 5X. Aran weight yarn. Designed by Rachel Brockman
Crispin Cardigan
Cardigan with diamond pattern in baby and adult sizes. Adult Sizes Chest: 103 (112) 120 (129) cm. Baby Sizes 3 months (6 months) 1 year (2 years). Designed by Rachel Søgaard for Filcolana. Available in English, Danish, German, Norwegian, Swedish
Diamond Cardigan
Long sleeved cardigan sweater with pockets, cable border along front edges, and a diamond texture on body. Sizes S (M, L, XL, 2XL, 3XL) 38” (42, 46, 50, 54, 58)” at bust. Designed by Cheryl Beckerich. Sport weight yarn.
Folklore Cardigan
Cable cardigan sweater featuring a variety of diamond and rope cables. Sizes S/M, L/1X, 2X/3X. Worsted weight yarn. Designed by Lion Brand. Pictured project by designer and astitchofgreen
Argyle Tile Cardigan
Long-sleeved cardigan sweater with diamond cables and fair isle pockets. Knitted flat and seamed. Sizes To fit chest 76-81 86-91 91-97 102-107 112-117 cm, 30-32 34-36 36-38 40-42 44-46 in. Designed by Paintbox Yarns. DK weight yarn.
Patterns for Purchase
Cardigan, Mittens and Hat
Cardigan with panels of interlocking cable diamonds with twisted stitch texture, and matching hat and finterless mitts. Sizes To Fit Bust: 81cm/32" to 127cm/50". Aran weight yarn. Designed by Stylecraft.
Seraphina Top
Short-sleeved pullover with cable and lace detail running across the shoulders and down the sleeves. The body of the top is worked in simple Stockinette stitch with Slipped stitch stripes. Sizes Women’s XS (S, M, L, XL, 2XL, 3XL): to fit bust 28/30 (32/34, 36/38, 40/42, 44/46, 48/50, 52/54)”/71/76 (81/86, 91/96, 102/107, 112/117, 122/127, 132/137) cm. Both written and charted instructions. Sport weight yarn. Designed by Irina Anikeeva.
Cardigan and Waistcoat
Long-sleeved cardigan and sleeveless vest knit with overlapping diamond cables on a 2 row repeat texture. Sizes To Fit Bust/Chest: 32/34", 36/38", 40/42", 44/46", 48/50", 52/54". Designed by Sirdar. Aran weight yarn.
Avalyn Cardigan
Long sleeved elegant sweater combines classic design with feminine shaping featuring an allover lattice texture, cables, and shawl collar. Sizes XS (S, M, L, XL, 2XL, 3XL). Designed by Vanessa Smith. Sport weight yarn. There is also a version for baby and child sizes.