An Exquisite GIA Certified David Webb Emerald and Diamond Floral Brooch David Webb Emerald Floral Brooch, GIA Certified. Estate floral Brooch signed David Webb featuring a 5.85ct center emerald cabochon, approximately 3cts of emeralds, approximately 3cttw of pavé set diamonds and marbleized emerald green guilloché enamel set in platinum and 18k yellow gold. 4.5 Carat…