A Gorgeous Emerald and Diamond Necklace

Colored Diamond, Diamond, Multi-Stone, Platinum, Gold Brooch, Oscar Heyman Jewelry Bros. The brooch features full-cut yellow diamonds weighing 2.35 carats, enhanced by round-cut emeralds weighing 1.93 carats, accented by baguette-cut sapphires weighing 0.75 carat, complemented by ruby cabochons, set in platinum and 18k gold, maker's mark for Oscar Heyman Bros (yellow diamonds not tested for origin of color). Gross weight 33.90 grams.