Platinum, Ruby and Diamond Necklace. Photo Doyle New York

Set continuously with 2 pear-shaped, 63 marquise-shaped and 69 round diamonds approximately 50.70 cts., centering a line of 44 oval and 2 pear-shaped rubies approximately 44.70 cts., approximately 58 dwts. Length 16 1/2 inches. Estimate $150,000-200,000

With AGL report no. CS 552908 stating that the rubies are of Classic Burma (Myanmar) origin, no heat or clarity enhancements.

Doyle New York. Monday, April 15, 2013 at 10am. http://www.doylenewyork.com