UNIQUE 18K 2-TONE GOLD WITH DIAMONDS NECKLACE: 18K yellow gold is the platform for this colorful Egyptian themed pendant on 18'' 18K Singapore chain. 6 diamonds set in 18K white gold, 2 emeralds & 2 sapphires and 1 ruby are set in 18k yellow gold. Well-marked. Weighs 19.2 grams.