160 - 16.50 Carat Diamond and 14 Karat White Gold Straight Line Ladies Necklace with Safety Lock. Unsigned. Set with Seventy-Four G-H Color, SI1-SI2 Clarity Round Brilliant Cut Diamonds. Total Diamond Weight is Approximately 16.50 Carats. Hidden Lock. Measures 16-1/2 Inches Long. Shipping $36.00 (estimate $10,000-$15,000)