---

All answers having "Jewel" as clue:

3 Character Answers:

---

GEM



4 Character Answers:

---

BIOU

OPAL

RUBY

THAI

THUS



5 Character Answers:

---

BIJOU

STONE



6 Character Answers:

---

NIMBUS



7 Character Answers:

---

ALASKAN

DIAMOND

INFERNO



8 Character Answers:

---

GEMSTONE

TREASURE