Exceptional convertible pendant and brooch circa early 20th century, crafted in 18kt yellow gold and platinum, featuring elaborate openwork design with intricate scrollwork motifs. Set with seven white old mine cut diamonds weighing approximately 2.15 carats Total, graded colorless H-J with VS1-SI1 clarity, complemented by two champagne brownish diamonds Totaling approximately 1.50 carats. Further adorned with twenty-five old European cut diamonds weighing approximately 0.80 carats Total in F-G color with VS clarity, and embellished with seven gem-quality emeralds weighing approximately 4.00 carats Total. This magnificent piece showcases masterful Belle Époque craftsmanship, designed to be worn either as an elegant pendant or statement brooch. Pendant diameter: 1.30 inches. Total weight: 14.9 grams. Chain length: 16 inches. Very good conditions. All our diamonds and colored gemstones are naturally earth-mined. Any synthetic (lab-grown) stones will be clearly indicated in the description. Upon Request, Auction House may provide an appraisal. This will carry an additional cost. Appraisals are made by our in house GIA certified Gemologist.