Gemesis, the Florida-based company known for its lab-grown yellow diamonds, has added a new shade to its color palette, the company announced last week during the JCK jewelry show in Las Vegas. Over the next few months, Gemesis will begin shipping lab-grown pink diamonds to partner companies and anticipates the diamonds should be in retailer display cases by early 2009. To start, the pink stones will be about 1-2 carats rough, and about 30 percent to 50 percent of that weight once polished.

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