74 - 18 Karat White Gold and Diamond Bezel Set Riviera Necklace. Set With 6.50 Carats Round Brilliant Diamonds. Signed 18K. Excellent Condition. Measures 16 Inches Length, Weighs 14.0 Pennyweights or 21.7 Grams. Shipping $20.00 (estimate $4,000-$5,000)