(ii) Two hebrew words are used..
(1) Charuwz (2737) - from an unused root meaning to perforate; properly, pierced, i.e. a bead of pearl, gems or jewels (as strung) or chain of Gold as in this case.
"Many necklaces worn by people were probably amulets or charms as well. Necklaces were made of precious metals and strings of jewels <Song 1:10; Ezek. 16:11>. Gold chains were worn by people of high rank <Gen. 41:42; Dan. 5:17; 5:29>."
(from Nelson's Illustrated Bible Dictionary)
(Copyright (C) 1986, Thomas Nelson Publishers)
(2) Anaq (6060) - from 6059; a necklace (as if strangling):
Anaq (6059') - a primitive root; properly, to choke; used only as denominative from 6060, to collar, i.e. adorn with a necklace; figuratively, to fit out with supplies:
(iii) (1) Adorned with high Spiritual rank / authority.
(2) Adorned with God's gracious character.
(iv) (1) (a) 1:10
(2) (a) 4:9
(b) 1 Pet 3:4