- black-bone jadeite species Jadeite. Grade ” A”, no any treatment. Colour greyish-black.   
- Jadeite caving as a lion. Lion part width 30mm, thickness 12mm.
- Ring size 8.5, weight 22.76g. Ring shank width 7mm, thickness 4mm
- With CGL appraisal report
 
The colour of black-bone jadeite is not all pure black, but some are ash black or even with a celadon hue. The black colour formed by its black impurities brings people deep and mysterious feelings.