Platinum, Diamond and Mexican Opal Brooch.. Photo: Courtesy Doyle New York 

One fire opal ap. .95 ct., 74 diamonds ap. 2.70 cts., c. 1920, ap. 6.7 dwt. Estimate $2,000-3,000


Two-Color Gold, Fire Opal and Diamond Pendant with Platinum and Diamond Chain. Photo: Courtesy Doyle New York 

One pear-shaped fire opal ap. 6.50 cts., 22 diamonds ap. .55 ct., ap. 4.8 dwt. Length 17 5/8 inches. Estimate $1,500-2,000

Opal: milky orange, brighter orange at bottom of stone. Diamonds: I-VS

Doyle New York. Important Estate Jewelry - Wednesday, September 29 at 10am www.doylenewyork.com