Icy cabochon 高冰种 

The jadeite cabochon is highly translucent with good thickness. It has very fine grains with beautiful fluorescence (起荧光). It is a collectible piece due to its high quality and size. 

Dimensions of jade: 14.5mm x 11.9mm x 5.0mm.

The jade ring is set with 18k white gold and diamonds. Ring size is 14.

Ring size used above is for China/Singapore/Japan.