Spring 2013 review of Multifacets: Style Yourself with Jewelry

Gem Testing lab in Jaipur, India recently examined a white-brown, translucent to opaque oval cabochon that turned out to be a composite featuring an unusual combination of gem materials.

One of these contributors (PG) recently acquired a 3.91 ct drop-shaped cabochon, purchased in India as a Larimar imitation, that consisted of a ceramic material.

This paper describes the discovery of a new defect center in natural and synthetic type Ib diamonds, named the Y center.

This short article discusses several important aspects of crack-filling in colored stones and diamonds.

The Ferraccia Jewelry Collection exhibited a huge variety of stingray leather goods at the AGTA show, including bracelets, necklaces, earrings, rings, belts, purses, and mobile phone cases.

The New York lab recently examined several diamonds with an interesting variation on the cabochon.

GIA recently examined a rare orange diamond that demonstrated the complexity of diamond color origin.

A combination of trace-element analysis and UV-visible spectroscopy clearly indicated that the yellow color originated from the much more effective chromophore known as “trapped holes,” associated with the trace amount of Mg and Cr in this stone.