To judge transparency, some buyers place a thin jadeite slice on a printed page and try to read the print through the gem. If the transparency is excellent ... Hololiths include bangles, rings, and ...

The hallmark of On Cheong Jewellery is jadeite, a rare gemstone that can be forged into rings, pendants, and other intricate pieces of jewellery. Ho, who holds a degree in accountancy, first ...