18k GOLD, DIAMOND & GEMSTONE DUCHESS OF WINDSOR STYLE FLAMINGO BROOCH: 18k white gold figural brooch set with diamonds, sapphires, rubies and emeralds. Approx. 4.00ctw of round brilliant cut diamonds, rated SI2-I1 in clarity and H in color. Approx. 12.50ctw of square and marquise calibre cut rubies, emeralds, blue and yellow sapphires. The diamonds are pave' set. The colored gemstones are channel set. Double bar pin closure. Approx. 3''l. x 2''w. Weight: 29.5 grams. Est. $3000/5500**