THREE PIECES YELLOW GOLD AND GREEN GEMSTONE JEWELRY, 18K yellow gold leafy spiral design wreath pin with 16 round chalcedony cabochons, diameter: 1 3/8 in; 14K heart pendant with ten marquise emeralds and 31 round diamonds, length: 1 in; and pair 14K screw-back earrings each with pear shape emerald sided by crescent of eight baguette diamonds. Estimate $350-500