Category: The Appraiser’s Notebook

How to Grade Clarity-Enhanced Diamonds

As more companies entered into this technology, known as fracture-filling, or clarity enhanced (CE), the door became wide-open for vendors to assign the clarity grade of their choosing. While we at Northwest Gemological Laboratory have…

Appraisal Forum Tucson 2012

In Tucson, an appraisal forum was held, developed and sponsored by the California Institute of Jewelry Training and Master Valuer International. The concept was to invite a panel of appraisal experts to discuss appraisal issues…

Copyright is Not a Right to Copy

An honest, upscale jeweler sends his appraiser friend the most recent password for accessing the GemGuide online. Not a big deal he thinks, as he has experienced numerous occasions with customers having copies of price…

Making the Mark

The practice of appraising has been exploding for more than 20 years, spurred by a small but aggressive group of trained valuators determined to make appraising a true profession. Seemingly, books have been published overnight…

Riding the C-Saw

Lets face it - most diamonds are sold based on a laboratory report. Ask the appraisal customer if they were told the color and clarity grade (and sometimes the cut grade), were based on the…

Rings Engaged to be Married

High Priest with a Torch If a goldsmith, without even the benefit of a ceremony, marries an engagement ring to a wedding band, this priestly act leaves appraisers little choice but to value them as one…