This designer cut shows off the warm glow of citrine’s sunny color. – Lydia Dyer, gem courtesy John Dyer & Co. Citrine—the transparent, pale yellow to brownish orange variety of quartz—is rare in ...
A fancy vivid 10-carat cushion-modified blue diamond – known as the Mediterranean Blue – will appear at Sotheby’s in Geneva on 13 May. As one of the largest ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback