Grand Mazarin – Diamond in the crown

On 14 November in Geneva, one of France’s most storied gems comes to auction at Christie’s. Here we look back on the

Grand Mazarin – Diamond in the crown2019-09-16T10:39:31+00:00

16.90-carat, D-color, internally flawless diamond ring

A step-cut, 16.90-carat, D-color, internally flawless diamond ring with a pre-sale estimate of $1.6 million to $2.2 million will lead Bonhams fine

16.90-carat, D-color, internally flawless diamond ring2019-09-16T10:39:32+00:00
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