From the Vault

AJDC Jewellery Collection

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Photo: Robert Weldon/GIA, Gift of Susan Helmich Designs, Inc.

The "Flagship I" brooch features a very fine white drusy agate with brown dendrites, a South Sea pearl, 11.8mm round brilliant diamonds and 18K gold and platinum. The drusy is cut and carved by Dieter Lorenz of Germany and the design by is Susan Helmich.

Members of the American Jewelry Design Council (AJDC), a non-profit education group formed in 1988 to promote American jewellery design, donated a collection of 29 contemporary jewellery pieces to the GIA Museum in 2004 − the first formal collection of jewellery gifted to the Institute. The collection consists of classic signature pieces that capture the designers' aesthetics and techniques, and unusual, eclectic gems.