A Graff brooch featuring a brilliant-cut 107.46-carat fancy yellow diamond could fetch up to $3.6m as one of the key attractions at a live Christie’s auction later this month.
Another fancy yellow diamond, a rectangular step-cut gem weighing 28.88 carats and set in a ring, also has an estimate of up to $3.6m. And a exceptional pair red, white and blue colored diamond earrings could fetch $3.8m.
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