Unveiling the Cat’s-Eye Effect in a 75 ct Colombian Emerald Pair

May be the world record of emerald Cat's eye.

Cut from trapiche emerald with weight nearly 370ct


Two large matching cat’s-eye emeralds, ultimately weighing close to 75 carats total, emerged from the rough trapiche. Photo by Robert Weldon, GIA.

http://www.gia.edu/gia-news-research-unveiling-cats-eye-effect-in-colombia-emerald-pair?utm_source=gianews&utm_medium=email&utm_campaign=2013-07-25

There is a video. Don't miss it.

珠寶首飾製作過程

一位朋友分享了珠寶首飾的製作過程

http://user.qzone.qq.com/358083510/blog/1373864363#!app=2&via=QZ.HashRefresh&pos=1373864363