Edwardian/Belle Époque convertible brooch/pendant, New York, circa 1900–1910, crafted in mixed metals—platinum and 18K gold (electronically tested .900 Pt / .750 Au)—with delicate millegrain borders for an airy, refined look. Set with 72 assorted European-cut diamonds in bezels and millegrain prongs totaling approx. 4.32 ctw (G/H color, VS clarity), accented by vivid red rubies: two cushion faceted totaling approx. 1.70 ctw plus two round faceted totaling approx. 0.36 ctw, and centered with a round faceted Colombian emerald approx. 0.45 ct in bezel. Weight 10.8 grams; brooch measures 38 x 39 x 7mm. Includes a detachable 20 in (50.8cm) chain, adjustable shorter on request. Unmarked; electronically tested. 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.