Check out these lace sweater crochet patterns that look very difficult but aren’t so hard to learn with a little practice.
1. Sophisticated lace sweater

(Source: Crochet Sweaters)
2. Embroidered lace tunic

(Source: Ya Masterica)
3. Hairpin lace cardigan

(Source: Ruby Stedman)
4. Japanese fan stitch sweater

(Source: Interunet)
5. Diamond lace sweater

(Source: Interunet)
6. Circular crochet cardigan

(Source: Crochet Sweaters)
7. Chevron lace cardigan

(Source: The Zen of Making)
8. Lace t-shirt blouse

(Source: Crochet Sweaters)
9. Lace shrug sweater

(Source: A Piece of Crochet)
10. Collared circle lace sweater

(Source: JoysinStitches)
11. Chunky crocheted lace sweater

(Source: Lemonade Yarns)
12. Long lace tunic

(Source: Crochet Sweaters)
13. Collared lace baby cardigan

(Source: Little Slice of Life)
14. Lovely in lace baby sweater

(Source: Yarn and Fiber)
15. Advanced lace drawstring baby jacket

(Source: Kantri Woemin)