Jade prices can vary widely depending on internal/surface imperfections, translucency, grain, and desirable color.
(left) This is my first jade bangle: aka "Princess," a pale green princess round shape, fine grained opaque grade A jadeite with low translucency. $99, 2013. 54.8mm inner diameter, 11mm thick, from Ultimate Jadeite.
In the middle is a spacer bracelet to keep the 2 jades from knocking into each other-costume jewelry, plastic beads from Macy's on sale $8.
(right) My most recent round shape bangle: aka "Smoke," more translucent white/clear with floating blue-green "flowers" grade A jadeite. $2600, 2014. 52.2mm inner diameter, 11.4mm thick, from JOJO Jade.