What’s The Center Stone?

Posted on January 18, 2012 by mrahm

This interesting Harry Winston diamond brooch actually holds a 44.03 carat polished spherical diamond in the center.

Although the diamond is not gem quality, the special polished spherical shape makes this diamond jewelry piece unique. While diamonds normally have adamantine luster, this particular stone looks almost vitreous (oily) on the outside.

Find this and other interesting treasures at our National Gem and Mineral Collection at the Smithsonian in Washington DC.

Author: Michelle M. Rahm is a GIA-trained Graduate Gemologist and is President of Colorado’s Mile High Chapter of the GIA Alumni Association. She has been selling gemstones and jewelry online since 1997. Visit her websites JewelryImpressions.com and OurCustomWeddingRings.com

About mrahm

Michelle holds a Graduate Gemologist Diploma, Graduate Diamonds Diploma and Graduate Colored Stones Diploma through the Gemological Institute of America's distance education program. Michelle currently serves as President of the Mile High GIA Alumni Association. She also serves on the board of the Rocky Mountain Jeweler's Association and is a member of the American Gem Trade Association.
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