A Magnificent and Rare Fancy Vivid Pink Diamond Ring. Photo Sotheby's The cushion-shaped diamond of fancy vivid pink color weighing 3.64 carats, the mounting set throughout with small round diamonds, mounted in 18 karat white gold, size 5½.. Estimate...

Rare and important fancy vivid pink diamond and diamond ring, Van Cleef & Arpels. photo courtesy Sotheby's Centring on a rectangular modified brilliant-cut fancy vivid pink diamond weighing 6.43 carats, flanked on each side by a cluster of pear-shaped...