• Cover of Gems & Gemology Summer 1989 issue, featuring silver jewelry

Summer 1989

  • $15.00
The PDF version of this issue is available at no charge. Visit

The Characteristics and Identification of Filled Diamonds
John I. Koivula, Robert C. Kammerling, Emmanuel Fritsch, C.W. Fryer, David Hargett, and Robert E. Kane

A Preliminary Gemological Study of Synthetic Diamond Thin Films
Emmanuel Fritsch, Laurie Conner, and John I. Koivula

Grading the Hope Diamond
Robert Crowningshield

Contribution to the Identification of Treated Colored Diamonds: Diamonds with Peculiar Color-Zoned Pavilions
Emmanuel Fritsch and James E. Shigley

Every issue also includes the most up-to-date reports from the GIA Laboratory (Lab Notes) and gemologists around the world (Gem News International).

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SKU: 438903