Natural Pink Sapphire & Diamond Ring. Photo courtesy M. S. Rau Antiques.

A captivating natural pink sapphire smolders in this dynamic ring. Weighing 4.20 carats, this magnificent cushion-cut gem is bound by 1.98 carats of sparkling pavé-set diamonds, which flow down the entire shank in a sparkling band of light. Set into a luxurious 18K rose gold mount, this rare stone displays the exceptional rosy hue and eye-catching clarity for which pink sapphires are so coveted. Additionally, it is certified by C. Dunaigre Consulting as a natural, no-heat sapphire. Price: $49,500

M. S. Rau Antiques. http://www.rauantiques.com/